Originally a gravity researcher, Franklin Hall gains the ability to control gravity. Corrupted by this power, he becomes a supervillain using the name "Graviton". He is confronted and defeated by the Avengers as he tried to destroy the facility where he did his original research. In subsequent appearances Graviton seems to struggle with control of his powers and often loses because of this. More than one storyline has depicted Graviton's apparent death, only for him to return subsequently through various means. He later becomes part of Advanced Idea Mechanics ' High Council as " Minister of Science ".