The Wind Mouse Hanpan from Wild ARMs. Not only is he useful for puzzle solving, but he's the voice of reason for the party. I'm not sure why he joined Jack in the first place.God, what a throwback.
(https://tse1.mm.bing.net/th?id=OIP.9v7m6gQfxelupxZOYQ3cNAEsEg&pid=15.1)
These 2 from Ash vs Evil DeadVery true, they are pretty awesome
(http://media.comicbook.com/2015/12/ash-vs-evil-dead-killer-of-killers-161807.jpg)
For me is Dom and I do appreciate this mothafucka even more than Marcus 8)(https://i.ytimg.com/vi/m7-Qst1WC48/maxresdefault.jpg)
I always felt Dom was the perfect representation of the faithful friend.