Professor Finbarr Calamitous is the main antagonist of The Adventures of Jimmy Neutron, Boy Genius. He was also a major antagonist in the Nicktoons video game series and the main antagonist of the Jimmy Neutron/The Fairly Odd Parents crossover The Jimmy Timmy Power Hour 2: When Nerds Collide.
He is the father of Beautiful Gorgeous and a former student of Ms. Fowl (despite his age, though he could've been held back several times), and is Jimmy's nemesis. He may be in his 50s, 60s, or in his 70s.
Earth: Dimmsdale (Turner Residence (Cosmo and Wanda's Castle and Fishbowl, Park, City Hall), Dimmsdale Flats, Dimmsdale Dump, Dimmsdale Elementary School, Dimmsdale High School)
Fairy World: Spellementary School Planets:Yugopotamia Dimensions: Acton Planet, Pixie Inc., Anti-Fairy World