Should I do it?

if u have fun by doing it then do it. its a game. a game is to have fun.

Of course. Pranky Princess > Cranky Pineapple.

I mean on one hand that's his best IV, on the other he and she aren't terribly great with CC nowadays. If you want to do it, if you're not 100% on her you could put it on a cheap version of her to test out and then merge or fodder again.