A not yet, fully grown cat with a great multitude of colors.
see also... kitten and unikitten
"my kitten rolled around in my dirty painting brushes. it is now a rainbow kitten!"
Noun.
The study of strange, unusual and or otherwise mythic creatures.
i.e. cryptids
"What is it called when a bunch of dorks talk about dragons, unicorns and pokémons?
crypto-biology."