Finn is the main character from Adventure Time.
He played Mowgli in The Jungle Book (Baddwing Style)
He is a mancub
He played Duke in Isle of Wattersons
He portrayed Det. Will Jeffries in Cold Case Toonime (Rotten Seeds Production)
He was a detective from the homicide group. However, he was temporarily covered up by his partner Jake The Dog in Episode 1 of the 5th Season Thrill Kill as he was the director for a day (for the past scenes) and because of the conflict crossline made by his voice actor Jeremy Shada which previously appeared on the same episode in the real series.