Vanilla the Rabbit did not originate from fanon, and more information can be found on their respective wiki(s). You may read more about it on the following wiki(s):

Vanilla the Rabbit
Vanilla from the comics

Vanilla the Rabbit is a character from the Sonic the Hedgehog series. She is an anthro, orange bunny, and the mother of Cream the Rabbit. She is strict with her daugther, but only because of how much she cares for her and wants her to succeed. Cream's sweet demeanor is all thanks to her upbringing.


Sonic Heroes 2

In Sonic Heroes 2, she has decided to take a leaf out of Cream's book and become infatuated; not with Sonic, but with Mach of Team Archaic.