Martín Fernández de Enciso once threatened to leave this person on the first desert island they found. This ex- plorer was accused of treason by his father-in-law Pedro Arias Dávila and beheaded. Always traveling with his dog Leoncico (lee-on-SEE-koe), he had escaped an unssuccessful stint as a pig farmer on Hispaniola by sneaking onto a boat run by Diego de Nicuesa (nee-KWAY-sah), the founder of Santa Maria de la Antigua del Darien, which was the first permanent European settlement in South America. Name this explorer who climbed a peak after 
Martín Fernández de Enciso once threatened to leave this person on the first desert island they found. This ex- plorer was accused of treason by his father-in-law Pedro Arias Dávila and beheaded. Always traveling with his dog Leoncico (lee-on-SEE-koe), he had escaped an unssuccessful stint as a pig farmer on Hispaniola by sneaking onto a boat run by Diego de Nicuesa (nee-KWAY-sah), the founder of Santa Maria de la Antigua del Darien, which was the first permanent European settlement in South America. Name this explorer who climbed a peak after crossing what is now Panama in 1513, becoming the first European to see the Pacific Ocean.
Martín Fernández de Enciso once threatened to leave this person on the first desert island they found.
Vasco Núñez de {Balboa} [prompt on {Núñez}]