William Andrew Stamper, better known as Stamper is a YouTube animator/voice actor. He has been a member of staff at Newgrounds. He started out as an author and fan on Newgrounds, got involved in Newgrounds-related design work, and was given a job as Newgrounds's media designer in 2003. That year, he made a new site layout, which was well received by the Newgrounds community. Stamper also does voice work on Youtube and Newgrounds.
William Andrew Stamper as Blitzo, Loona, Dan Kuso, Pentious, Niffty, Cherri, & Adam - Giorenzo Gets A Rainbow Card/Martinadvincula Gets In Dead Meat Fan Cast | myCast.io
