I named him sir assalot
Big Daddy 
KissMe (20characters)
I named it Lizzy after my gf.
Durampecos (Duramboros + Peco Peco)
Interesting, I saw more companions with Pokémon and presidents names than Kiritos. I can die in peace.
None, i dont have a Key xD
Sherlock =) (20characters)
Bulbasaur even tho the pet looks like Ratata. >_<
Fern and Laurel
(i f*ed up and got two companions in a row lol)
OBAMACARE
because he takes care of my ass
All that possible intelligence and you waste it away on boring, stupid names, typical of commoners.
I named my pet Einvalce.
What animal? I dont have a beta key xD