This was a new business started by FuegoTheViking in his town, Oceanstone's financial district. Here you can go and Fuego would have helped you with anything Mypet related. From helping with name colors to helping to tame a Mypet. He only charged for two things: Renting leads for taming (50$) and helping you tame your Mypet (Prices Varied on the Mob). He wiould only help you tame overworld mobs.
Sadly, while this shop was new it disappeared in the at the start of Third Reset era.