I agree a Tiki Mask ghost type is like the tropical version of Yamask. So I don’t see an issue with it, heck it could evolve into the fist ghost/rock type and look reminiscent of the Easter Island stone heads.

I think it will be a toss up between fairy and fighting. I can see the adult sea lion (looking like a leopard seal) bouncing huge boulders off their noses for training. Hell that even sounds like a typical Pokedex entry right there.

Just when I had myself convinced that I could get out; These starters drag me almost kicking and screaming back in. I think I am probably Team Popplio; I always loved the Seel and Spheal lines and wished they had more utility.