diff --git a/uncertainty_wizard/quantifiers/mean_softmax.py b/uncertainty_wizard/quantifiers/mean_softmax.py
index 6c32df0..d8f01f6 100644
--- a/uncertainty_wizard/quantifiers/mean_softmax.py
+++ b/uncertainty_wizard/quantifiers/mean_softmax.py
@@ -17,7 +17,7 @@ class MeanSoftmax(ConfidenceQuantifier):
     # docstr-coverage:inherited
     @classmethod
     def aliases(cls) -> List[str]:
-        return ["mean_softmax", "ensembling", "ms"]
+        return ["mean_softmax", "ensembling", "ms", "MeanSoftmax"]
 
     # docstr-coverage:inherited
     @classmethod
diff --git a/uncertainty_wizard/quantifiers/mutual_information.py b/uncertainty_wizard/quantifiers/mutual_information.py
index adfe725..5a0bc11 100644
--- a/uncertainty_wizard/quantifiers/mutual_information.py
+++ b/uncertainty_wizard/quantifiers/mutual_information.py
@@ -30,7 +30,7 @@ class MutualInformation(UncertaintyQuantifier):
     # docstr-coverage:inherited
     @classmethod
     def aliases(cls) -> List[str]:
-        return ["mutu_info", "mutual_information", "mi"]
+        return ["mutu_info", "mutual_information", "mi", "MutualInformation"]
 
     # docstr-coverage:inherited
     @classmethod
diff --git a/uncertainty_wizard/quantifiers/predictive_entropy.py b/uncertainty_wizard/quantifiers/predictive_entropy.py
index d29c39b..8a26a64 100644
--- a/uncertainty_wizard/quantifiers/predictive_entropy.py
+++ b/uncertainty_wizard/quantifiers/predictive_entropy.py
@@ -44,7 +44,7 @@ class PredictiveEntropy(UncertaintyQuantifier):
     # docstr-coverage:inherited
     @classmethod
     def aliases(cls) -> List[str]:
-        return ["predictive_entropy", "pred_entropy", "PE"]
+        return ["predictive_entropy", "pred_entropy", "PE", "PredictiveEntropy"]
 
     # docstr-coverage:inherited
     @classmethod
diff --git a/uncertainty_wizard/quantifiers/variation_ratio.py b/uncertainty_wizard/quantifiers/variation_ratio.py
index 6083373..aec4c46 100644
--- a/uncertainty_wizard/quantifiers/variation_ratio.py
+++ b/uncertainty_wizard/quantifiers/variation_ratio.py
@@ -30,7 +30,7 @@ class VariationRatio(UncertaintyQuantifier):
     # docstr-coverage:inherited
     @classmethod
     def aliases(cls) -> List[str]:
-        return ["variation_ratio", "vr", "var_ratio"]
+        return ["variation_ratio", "vr", "var_ratio", "VariationRatio"]
 
     # docstr-coverage:inherited
     @classmethod

diff --git a/tests_unit/quantifiers_tests/test_mean_softmax.py b/tests_unit/quantifiers_tests/test_mean_softmax.py
index 02f1cfd..0b03011 100644
--- a/tests_unit/quantifiers_tests/test_mean_softmax.py
+++ b/tests_unit/quantifiers_tests/test_mean_softmax.py
@@ -17,6 +17,8 @@ class TestMeanSoftmax(TestCase):
             isinstance(QuantifierRegistry.find("mean_softmax"), MeanSoftmax)
         )
         self.assertTrue(isinstance(QuantifierRegistry.find("ensembling"), MeanSoftmax))
+        self.assertTrue(isinstance(QuantifierRegistry.find("MS"), MeanSoftmax))
+        self.assertTrue(isinstance(QuantifierRegistry.find("MeanSoftmax"), MeanSoftmax))
 
     def test_is_confidence(self):
         self.assertTrue(MeanSoftmax.is_confidence())
diff --git a/tests_unit/quantifiers_tests/test_mutual_information.py b/tests_unit/quantifiers_tests/test_mutual_information.py
index 7eb2c11..fafc4dc 100644
--- a/tests_unit/quantifiers_tests/test_mutual_information.py
+++ b/tests_unit/quantifiers_tests/test_mutual_information.py
@@ -19,6 +19,10 @@ class TestMutualInformation(TestCase):
         self.assertTrue(
             isinstance(QuantifierRegistry.find("mutu_info"), MutualInformation)
         )
+        self.assertTrue(isinstance(QuantifierRegistry.find("MI"), MutualInformation))
+        self.assertTrue(
+            isinstance(QuantifierRegistry.find("MutualInformation"), MutualInformation)
+        )
 
     def test_is_confidence(self):
         self.assertFalse(MutualInformation.is_confidence())
diff --git a/tests_unit/quantifiers_tests/test_one_shot_classifiers.py b/tests_unit/quantifiers_tests/test_one_shot_classifiers.py
index 85bf274..1b2b6a2 100644
--- a/tests_unit/quantifiers_tests/test_one_shot_classifiers.py
+++ b/tests_unit/quantifiers_tests/test_one_shot_classifiers.py
@@ -63,6 +63,12 @@ class TestPCS(TestCase):
         self.assertTrue(
             isinstance(QuantifierRegistry.find("PCS"), PredictionConfidenceScore)
         )
+        self.assertTrue(
+            isinstance(
+                QuantifierRegistry.find("PredictionConfidenceScore"),
+                PredictionConfidenceScore,
+            )
+        )
         self.assertTrue(
             isinstance(
                 QuantifierRegistry.find("prediction_confidence_score"),
@@ -140,6 +146,7 @@ class TestSoftmax(TestCase):
     def test_string_representation(self):
         self.assertTrue(isinstance(QuantifierRegistry.find("softmax"), MaxSoftmax))
         self.assertTrue(isinstance(QuantifierRegistry.find("max_softmax"), MaxSoftmax))
+        self.assertTrue(isinstance(QuantifierRegistry.find("MaxSoftmax"), MaxSoftmax))
 
     def test_is_confidence(self):
         self.assertTrue(MaxSoftmax.is_confidence())
@@ -213,6 +220,7 @@ class TestSoftmaxEntropy(TestCase):
         self.assertTrue(
             isinstance(QuantifierRegistry.find("SoftmaxEntropy"), SoftmaxEntropy)
         )
+        self.assertTrue(isinstance(QuantifierRegistry.find("SE"), SoftmaxEntropy))
 
     def test_is_confidence(self):
         self.assertFalse(SoftmaxEntropy.is_confidence())
diff --git a/tests_unit/quantifiers_tests/test_predictive_entropy.py b/tests_unit/quantifiers_tests/test_predictive_entropy.py
index cebcf67..60be40f 100644
--- a/tests_unit/quantifiers_tests/test_predictive_entropy.py
+++ b/tests_unit/quantifiers_tests/test_predictive_entropy.py
@@ -19,6 +19,10 @@ class TestPredictiveEntropy(TestCase):
         self.assertTrue(
             isinstance(QuantifierRegistry.find("pred_entropy"), PredictiveEntropy)
         )
+        self.assertTrue(isinstance(QuantifierRegistry.find("PE"), PredictiveEntropy))
+        self.assertTrue(
+            isinstance(QuantifierRegistry.find("PredictiveEntropy"), PredictiveEntropy)
+        )
 
     def test_is_confidence(self):
         self.assertFalse(PredictiveEntropy.is_confidence())
diff --git a/tests_unit/quantifiers_tests/test_stddev.py b/tests_unit/quantifiers_tests/test_stddev.py
index df43465..dbbea1c 100644
--- a/tests_unit/quantifiers_tests/test_stddev.py
+++ b/tests_unit/quantifiers_tests/test_stddev.py
@@ -17,6 +17,9 @@ class TestStandardDeviation(TestCase):
             isinstance(QuantifierRegistry.find("standard_deviation"), StandardDeviation)
         )
         self.assertTrue(isinstance(QuantifierRegistry.find("std"), StandardDeviation))
+        self.assertTrue(
+            isinstance(QuantifierRegistry.find("StandardDeviation"), StandardDeviation)
+        )
         self.assertTrue(
             isinstance(QuantifierRegistry.find("stddev"), StandardDeviation)
         )
diff --git a/tests_unit/quantifiers_tests/test_variation_ratio.py b/tests_unit/quantifiers_tests/test_variation_ratio.py
index 8462857..a814631 100644
--- a/tests_unit/quantifiers_tests/test_variation_ratio.py
+++ b/tests_unit/quantifiers_tests/test_variation_ratio.py
@@ -20,6 +20,9 @@ class TestVariationRatio(TestCase):
             isinstance(QuantifierRegistry.find("var_ratio"), VariationRatio)
         )
         self.assertTrue(isinstance(QuantifierRegistry.find("VR"), VariationRatio))
+        self.assertTrue(
+            isinstance(QuantifierRegistry.find("VariationRatio"), VariationRatio)
+        )
 
     def test_is_confidence(self):
         self.assertFalse(VariationRatio.is_confidence())

Alias `VariationRatio` is missing
the VariationRatio quantifier misses the corresponding class-name alias, which should be there, according to the docs:

https://uncertainty-wizard.readthedocs.io/en/latest/user_guide_quantifiers.html
tests_unit/quantifiers_tests/test_mean_softmax.py::TestMeanSoftmax::test_string_representation tests_unit/quantifiers_tests/test_mutual_information.py::TestMutualInformation::test_string_representation tests_unit/quantifiers_tests/test_predictive_entropy.py::TestPredictiveEntropy::test_string_representation tests_unit/quantifiers_tests/test_variation_ratio.py::TestVariationRatio::test_string_representation
tests_unit/quantifiers_tests/test_mean_softmax.py::TestMeanSoftmax::test_as_confidence_flag tests_unit/quantifiers_tests/test_mean_softmax.py::TestMeanSoftmax::test_is_confidence tests_unit/quantifiers_tests/test_mean_softmax.py::TestMeanSoftmax::test_problem_type tests_unit/quantifiers_tests/test_mean_softmax.py::TestMeanSoftmax::test_samples_type_declaration tests_unit/quantifiers_tests/test_mean_softmax.py::TestMeanSoftmax::test_single_input_no_entropy tests_unit/quantifiers_tests/test_mean_softmax.py::TestMeanSoftmax::test_two_inputs_high_pred_entropy tests_unit/quantifiers_tests/test_mutual_information.py::TestMutualInformation::test_as_confidence_flag tests_unit/quantifiers_tests/test_mutual_information.py::TestMutualInformation::test_is_confidence tests_unit/quantifiers_tests/test_mutual_information.py::TestMutualInformation::test_problem_type tests_unit/quantifiers_tests/test_mutual_information.py::TestMutualInformation::test_samples_type_declaration tests_unit/quantifiers_tests/test_mutual_information.py::TestMutualInformation::test_single_input_no_entropy tests_unit/quantifiers_tests/test_mutual_information.py::TestMutualInformation::test_two_inputs_high_pred_entropy tests_unit/quantifiers_tests/test_one_shot_classifiers.py::TestDeepGini::test_is_confidence tests_unit/quantifiers_tests/test_one_shot_classifiers.py::TestDeepGini::test_problem_type tests_unit/quantifiers_tests/test_one_shot_classifiers.py::TestDeepGini::test_quantification tests_unit/quantifiers_tests/test_one_shot_classifiers.py::TestDeepGini::test_samples_type_declaration tests_unit/quantifiers_tests/test_one_shot_classifiers.py::TestDeepGini::test_string_representation tests_unit/quantifiers_tests/test_one_shot_classifiers.py::TestPCS::test_duplicate_non_winner tests_unit/quantifiers_tests/test_one_shot_classifiers.py::TestPCS::test_duplicate_winner tests_unit/quantifiers_tests/test_one_shot_classifiers.py::TestPCS::test_happy_path_batch tests_unit/quantifiers_tests/test_one_shot_classifiers.py::TestPCS::test_happy_path_single tests_unit/quantifiers_tests/test_one_shot_classifiers.py::TestPCS::test_is_confidence tests_unit/quantifiers_tests/test_one_shot_classifiers.py::TestPCS::test_problem_type tests_unit/quantifiers_tests/test_one_shot_classifiers.py::TestPCS::test_samples_type_declaration tests_unit/quantifiers_tests/test_one_shot_classifiers.py::TestPCS::test_string_representation tests_unit/quantifiers_tests/test_one_shot_classifiers.py::TestSoftmax::test_duplicate_non_winner tests_unit/quantifiers_tests/test_one_shot_classifiers.py::TestSoftmax::test_duplicate_winner tests_unit/quantifiers_tests/test_one_shot_classifiers.py::TestSoftmax::test_happy_path_batch tests_unit/quantifiers_tests/test_one_shot_classifiers.py::TestSoftmax::test_happy_path_single tests_unit/quantifiers_tests/test_one_shot_classifiers.py::TestSoftmax::test_is_confidence tests_unit/quantifiers_tests/test_one_shot_classifiers.py::TestSoftmax::test_problem_type tests_unit/quantifiers_tests/test_one_shot_classifiers.py::TestSoftmax::test_samples_type_declaration tests_unit/quantifiers_tests/test_one_shot_classifiers.py::TestSoftmax::test_string_representation tests_unit/quantifiers_tests/test_one_shot_classifiers.py::TestSoftmaxEntropy::test_duplicate_non_winner tests_unit/quantifiers_tests/test_one_shot_classifiers.py::TestSoftmaxEntropy::test_duplicate_winner tests_unit/quantifiers_tests/test_one_shot_classifiers.py::TestSoftmaxEntropy::test_happy_path_batch tests_unit/quantifiers_tests/test_one_shot_classifiers.py::TestSoftmaxEntropy::test_happy_path_single tests_unit/quantifiers_tests/test_one_shot_classifiers.py::TestSoftmaxEntropy::test_is_confidence tests_unit/quantifiers_tests/test_one_shot_classifiers.py::TestSoftmaxEntropy::test_problem_type tests_unit/quantifiers_tests/test_one_shot_classifiers.py::TestSoftmaxEntropy::test_samples_type_declaration tests_unit/quantifiers_tests/test_one_shot_classifiers.py::TestSoftmaxEntropy::test_string_representation tests_unit/quantifiers_tests/test_predictive_entropy.py::TestPredictiveEntropy::test_is_confidence tests_unit/quantifiers_tests/test_predictive_entropy.py::TestPredictiveEntropy::test_problem_type tests_unit/quantifiers_tests/test_predictive_entropy.py::TestPredictiveEntropy::test_samples_type_declaration tests_unit/quantifiers_tests/test_predictive_entropy.py::TestPredictiveEntropy::test_single_input_no_entropy tests_unit/quantifiers_tests/test_predictive_entropy.py::TestPredictiveEntropy::test_two_inputs_high_pred_entropy tests_unit/quantifiers_tests/test_stddev.py::TestStandardDeviation::test_happy_path_single tests_unit/quantifiers_tests/test_stddev.py::TestStandardDeviation::test_is_confidence tests_unit/quantifiers_tests/test_stddev.py::TestStandardDeviation::test_problem_type tests_unit/quantifiers_tests/test_stddev.py::TestStandardDeviation::test_samples_type_declaration tests_unit/quantifiers_tests/test_stddev.py::TestStandardDeviation::test_string_representation tests_unit/quantifiers_tests/test_variation_ratio.py::TestVariationRatio::test_happy_path_batch tests_unit/quantifiers_tests/test_variation_ratio.py::TestVariationRatio::test_happy_path_single tests_unit/quantifiers_tests/test_variation_ratio.py::TestVariationRatio::test_is_confidence tests_unit/quantifiers_tests/test_variation_ratio.py::TestVariationRatio::test_problem_type tests_unit/quantifiers_tests/test_variation_ratio.py::TestVariationRatio::test_samples_type_declaration