Paul Greenberg is a Canadian-American voice actor. He is also known as Aaron Albertus, Paul A. Greenberg, Paul Ari Greenberg, and Pierre Holloway.
For Nickelodeon, He voiced Racine in the All Grown Up! episode, "O Bro, Where Are Thou?", a naked mole rat expert in the As Told By Ginger episode, "Family Therapy", Poonchy, Iggins, and other characters in Invader Zim, Brobot and Ooblar in The Adventures of Jimmy Neutron: Boy Genius, Barno in The Wild Thornberrys episode, "Bad Company", and provided additional voices in Back at the Barnyard.