Mutations
From The Wajas Wiki
There are 18 different mutations on wajas, and there are two different category of mutations - Potion mutations and custom mutations.
Potion mutations can be applied to your waja by using the corresponding potion created by the mad scientist. These mutations can be added at any time and you cannot choose their color. Potion mutations are:
Alien eyes, from a _ potion
Antennae, from a _ potion
Forked tongue, from a Ptthhh potion