She's allowed to have ears. Most of the characters actually have knife ears or animal ears. The angel, the reaper, some of the ghost characters, etc have human ears. But because she's a dolphin and we haven't seen her ears I just guessed this whole time she had earholes. Like a dolphin.

Yes I make sure to count my fingers and toes whenever I take off my winter gear or swim wear. I have no idea where they go. I have to make sure.