Origin
Very little is known about Mouse. Probably a runaway, she at some point came into contact with Melmoth, who invited her to join his child gang, the Deviants.
Creation
Mouse was created by Grant Morrison and Frazer Irving. She made her first appearance in Seven Soldiers: Klarion #3.
Major Story Arcs
Seven Soldiers of Victory
Mouse joins the other Deviants in attacking the Manhattan Museum of Superhumanity, successfully stealing keys while the guard is distracted. She is among the Deviants who are informed that Melmoth is not as he seems. She presumably parts ways with the gang following Melmoth’s defeat. Her ultimate fate is unknown.
Powers and Abilities
Mouse has no known superhuman powers or abilities.