Kevin Hamilton McDonald (born May 16, 1961) is a Canadian actor, voice actor and comedian. He is known as a member of The Kids in the Hall, the voice of Agent Pleakley in the Lilo & Stitch franchise, Waffle in Catscratch, Pastor Dave in That 70s Show, and the Almighty Tallest Purple in Invader Zim. Kevin also stars as a co-pilot in the 2011 web comedy series Papillon.