Strife. the first sidekick of Spirit back when he was young (Strife was much younger at the time too) as he was a pro when it came to hand to hand combat, and later went on to become his own hero. now, Spirit and a fully grown Strife have reunited and Strife now fights alongside Spirit as a member of the Soul Pack

he's like the Nightwing of my universe

lineart: Firewolf-Anime