Donnie Thornberry is the wild, feral boy from Nickelodeon's animated series The Wild Thornberrys, which aired from 1998 to 2004. Raised in the jungle and voiced by Flea of the Red Hot Chili Peppers, Donnie rarely spoke in full sentences, instead communicating through yells, grunts, and animal-like sounds that became his signature. Clips of his chaotic voice have since circulated in memes, reaction videos, and edits, where his untamed energy instantly signals wild behaviour, comic panic, or a scene going completely off the rails.