Ciaus is a name based on the Latin word giaus which means rejoice...

His design is based on

This design of sir Amyric from final fantasy 14/online and was created by RuneScratch on tumblr...

And the carbuncle from the same game as sir Amyric though this picture is from Chiizuki on Instagram...

Finally I present what they look like in game

gif by Gfycat

yes they sparkle like this in game and are they are summoned by Arcanists to help them battle/fight.

Anyways see you in the next chapter my fluffy clan members...