Geden or known as Mad Akk, was a male Rattataki ex Mandalorian, a member of Terror Brigade. However he was killed by Galactic Republic forces who had came for Yoren.
Behind the scenes
Geden appears in the 2011 video game Star Wars: The Old Republic as an enemy in the Heroic mission "The Terror Brigade" on Hoth for Republic players.
Star Wars: The Old Republic