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?)