Favorite animal featured in the show?
Tough choice, this depends on if you mean REAL animals or mythological creatures like the manticore, cockatrice, and such are fine too.
Personally if I had to limit it to real animals I’d probably go with Tank (Rainbow Dash’s pet tortoise), The bat (which I kind of wish was Rainbow Dash’s pet instead…but oh well I still like Tank alot), and Gummy (cause he’s just hilariously awesome).
Mythological wise; I really like the Manticore, the Cockatrice, and Dragons; I was always a monster fan and they were nice threats for the characters. Dragons were especially fun how they are given their own rules in this universe like the way they get bigger the greedier they are.