Jonathan Cartwright (Arrowverse)

Hand-to-Hand Combat (Basic): Jonathan is a highly trained unarmed combatant.
Mimicry: Jonathan possesses an unmatched ability to imitate the voices of others exactly.
Disguise
Deception
Skilled marksman: Jonathan is quite proficient in the use of firearms.
Stealth

Paraphernalia

This version of the character is exclusive to the continuity of the television series Batwoman and is an adaptation of Jane Cartwright/Jane Doe. The original character was created by Seth Boston and first appeared in the episode "Nothing's Shocking" of the series Gotham.
Jonathan Cartwright/Mouse is portrayed by Sam Littlefield as an adult and Nicholas Holmes as a child. Due to his shape shifting abilities, different actors took on the role, such as Matthew Graham when disguised as Dean Deveraux and Dougray Scott when disguised as Jacob Kane.