Tails Nine (or "Nine" for short). [[Tails (Sonic)|Tails]]' counterpart from New Yoke City who built himself seven addition [[mechanical tail|mechanical tails]] after being constantly bullied for his [[multiple tails|twin tails]]. 

Nine is a character from the show, [[Sonic Prime]]

Nine is more closed off then the we know but seems to be eager to be friends with [[Sonic the Hedgehog|Sonic]].
nine (sonic)