The Warthog is a background character that makes a brief appearance in Night at the Museum: Secret of the Tomb, being one of the exhibits that is only an animal head on a board, as if they are in a hunter's collection on the wall.
Appearance[]
Night at the Museum: Secret of the Tomb[]
In the third movie, we briefly see the warthog, as well as other animals' severed but alive heads on the wall. They watch Larry and the gang in the hallway as they are face to face with Trixie, who is at the other end of the hallway.