Dr. Kirby O'Neil is a psychologist and the father of April O'Neil in the 2012 TV series. He was mutated into a mutant bat in the season 2 premiere, then returned to normal in The Lonely Mutation of Baxter Stockman, and got mutated again in the Season 2 Finale, and cured again in season 3's Battle for New York, Part 2 episode.
