basically a kitten with scales
Uhm... I-I have a plot bunny for you. Kakashi and Obito where Obito is a water creature of some sort, like a selkie or a siren, and he meets Kakashi when they're both really young. Kakashi has a new best friend, but Sakumo (who knows all about fairies and their tricks, after the naga prince Orochimaru disappeared and broke his heart) is concerned. So, he asks to meet Obito, and is surprised that instead of a tricky fae he's just been tackled into the sand by a hyper child of the sea.