Jeff Mahoney

Jeff Mahoney is a character from TripTank. He appears in Jeff & Some Aliens.

He is voiced by Brett Gelman.

Bio
He is a twenty-something bachelor, who is Linda's boyfriend. His life would be normal except for the arrival of three aliens to invade his life. Having originally been sent to Earth to study Earth’s most average guy and decide the fate of humanity, they now live with him.

Jeff returns for season 2 despite his non-canonical death at the end of season 1.

Jeff & Some Aliens Spinoff
Jeff and the Aliens now appear in their own spinoff series, based on the skit from TripTank. The series first aired on January 11, 2017.