T-Pain (b.1985) is the pseudonym of Florida based rapper/singer Faheem Najim. His songs are known for their heavy use of the Auto-tone effect.
In 2008 he appeared in the episode of Aqua Teen Hunger Force, "Dummy Love" as one of Master Shake's ventriloquist dummies. He would then appear as the live-action version of Frylock in the episode "The Last One Forever and Ever".
In 2010 he starred as the voice of The Ghost Of Freaknik Past, in the Special Freaknik: The Musical, in which he also served as an Executive Producer and Writer, and provided the vocals for 5 songs. Later that year he would then provide a voice in the pilot, Cheyenne Cinnamon and the Fantabulous Unicorn of Sugar Town Candy Fudge.
He then appeared in 5 episodes of The Cleveland Show, playing Theodore.
He's also appeared in two episodes of The Eric Andre Show.