Will a Sweetheart Potion work on my Zentu? Their name is Zennintine (like zentu+valentine) and I want them to have an appropriate coloration.

SubetaLodge maintains good listings of what pets come in what colors. According to their Sweetheart Pets page, Zentus are not available in that color yet.

zentu do not come in sweetheart yet, so you won't be able to change yours into one! the subetapedia has a list of all the colors each species comes in currently- here is a link to the zentu!

Thank you, that's super helpful (and also keeps me from spending all my sp on something I can't even use)! Thanks!