No wings because I found out this character exists and it'd look like a blatant rip off otherwise :(
https://vignette.wikia.nocookie.net/p__/images/a/a3/Kero.png/revision/latest/scale-to-width-down/350?cb=20180114173324&path-prefix=protagonist
nah, it's just meant to be like those cute animal companion things you get in every anime in existence..
The only animal companion in anime that has lots of patterns I know, is Kirara from Inuyasha.