Billy Brown is a minor character appearing in Completing the Mission, who appears only in "Toppat King".

Billy is a soldier participating in The Toppat Raid. For seven years, he has never washed behind his ears.

He manages to corner Henry Stickmin and Right Hand Man with Victoria Grit, Gerald Gruff, Orbyn Lanp, and Dan D. Lyons. The two are able to fight off their attackers however by combining Henry's two guns with the Right Hand Man's laser eye, killing all the soldiers.

Billy Brown: what are you doing here this is a restricted area