Origin
While it is unknown how or when Merle became a werewolf, it is known that he is an on/off ally of The Goon.
Creation
Merle was created by Eric Powell and made his first appearance in The Goon #1.
Major Story Arcs
The Goon Volume One
After The Goon’s bounty is raised to a whopping $50,000.00 he becomes a target for many friend and foe alike, including Merle. Thinking he can overpower The Goon, Merle transforms into his wolf form and attacks The Goon from behind; however, he is quickly beaten and scolded for attacking a man from behind. Later on, when The Goon is captured by the Zombie Priest and the G-Men, Merle is recruited by Franky as part of a team to rescue him.
The Goon Volume Two
Merle attends a Christmas party with The Goon & Franky and winds up helping them find several missing children.
The Goon Volume Three
As the undead army of the Zombie Priest begins to grow in numbers, Merle is seen aiding the Goon. Alongside several others such as Dr. Alloy, Bruno, and the Mud Brothers, Merle helps rescue the Buzzard from the Zombie Priest. While Merle proves to be a valuable ally to the Goon he eventually betrays him in an event that results in the death of Bill Mudd. This leads to his own death at the hands of the Goon via torture.
Powers & Abilities
Merle is a seemingly average man (with below average intelligence) but gains a slight strength and size boost by transforming into a large werewolf.