I do see where you make a pet, but I saw some that weren't in the make-a-pet thing. I expect there are special circumstances to create or find them, but I have no clue where to look, and I want to hold off on getting pets until I know what I'm doing. In particular, I'm looking for the blob pets! They're so cute, and I want them all! <3 The Nightmare one especially makes my heart go pitter-pat~ Can anyone point me in the right direction?

Welcome! There is a Subeta Wiki on fandom.com where you can look up all the colours and species and how to obtain them. You can find the blobs in Blobland.

Thank you guys so much! This is exctly what I needed to know!