Keith David

He is known for voicing Spawn from Todd McFarlane's Spawn, Goliath from Disney's Gargoyles, The Cat from Coraline, Dr. Facilier from The Princess and the Frog, King Andrias from Amphibia, The President from Rick and Morty, The Arbiter from the Halo franchise, and Capitan/Admiral David Anderson from the Mass Effect franchise. (You are at a convention btw) HAVE FUN POOKIE WOOKIE DOOKIES