Overlord Glee

Overlord Glee is the main antagonist of The Fairly OddParents episode "So Totally Spaced Out" (the last episode of the "Spaced Out" Trilogy). True to the first part of his name, heis the tyrannical to the leader of the Gigglepies, a group of cute aliens who sell merchandise in order to dry up planets and later destroy them. They come from a cereal box called the "Invader O's" in order to come to planets. 
He was voiced by Tara Strong, who also voiced Timmy Turner and Princess Mandie on the television series of the same name and Ember McLain and Penelope Spectra from Danny Phantom.