Katerea's familiar:
Seadramon
Personality: Haughty (To his enemies)
Esdeath's familiar:
Garurumon
Personality: Loyal to his allies.
Tohka's familiar:
Ceruledge
Personality: Protective, Deadly (Enemies)
Yumi's familiar:
Frosmoth
Personality: Caring, Cold (To enemies)
Tatsumi's familiar:
MetalGreymon
Personality: Kind, Loyal.
Kazuma's familiar:
Triangle (Bluntgoji)
(If you haven't seen Godzilla vs monkey on YouTube, go watch it.)
Personality: Joke, likes to prank Issei, fierce, Strategic.
Wendy's familiar:
Patamon
Personality: Kind, playful.
Raynare's familiar:
Rodan (Singular point)
Kalawarner's familiar:
Anguirus (Singular point)
Mittelt's familiar:
GMK King Ghidorah
Kuroka's familiar:
Kanade
Personality: Kind, Friendly, Energetic.
(What do you guys think about his Peerage's familiars?)