Why is it doing the Macarena?
https://www.youtube.com/watch?v=Z1Df-YjO8W8
>>33336887
He's Jojoposing.
>>33336887
Kommo-o es un legitimo pokemon mexicano
>>33336887
It's a war dance, lol XD
Shimmying his scales to intimidate foes, as described ingame.
But they also stylised it as a dance to go with the Hawaiian theme Alola has.
That trainer battle music is so weird