Origin
Very little is known about Mr Overhill. A dragon, he at some point consumed the human whose shape he regularly assumes. He stumbled across the House of Mystery, and became a regular there.
Creation
Mr Overhill was created by Lilah Sturges and Luca Rossi. He made his first appearance in House of Mystery #2
Major Story Arcs
House of Mystery
Spending much of his time in the House of Mystery, he falls in love with Ann Preston, the bouncer. He reveals his true identity as a dragon when Ann is injured during an attack on the House by the Thinking Man. Mr Overhill is able to hold off the Thinking Man’s Army long enough to allow Fig Keele to teleport the House away. Now trapped with the other occupants in the Space Between, Mr Overhill enters a relationship with Ann. This continues for some time until she catches him eating a human.
Powers and Abilities
Mr Overhill is a dragon, and capable of voluntarily shape-shifting between his dragon form, and the form of a human that he has consumed. He is superhumanly strong and durable, and capabale of breathing flames.