Boffo (Clown)
Boffo the Clown is - or was during the events described in Men at Arms - the doorkeeper for the Fools' Guild who has a great memory for foolish faces (i.e. with red noses and covered in slap (actors' make-up) but a terrible memory for real faces. He helps Captain Carrot of the City Watch by showing him the Hall of Faces, where all the clown faces are stored in miniature on eggshells. Lives in terror of Dr. Whiteface.