I would literally die on an all jock island I don't think I could handle being the laziest one there. I could handle an all cranky island or an all normal island. I don't like species repeats so I won't allow for any of those on my hypothetical islands even though it's all personality repeats.
Cranky: ❤Peewee ❤Static ❤Tom ❤Grizzly ❤Hamphrey ❤Apollo ❤Murphy ❤Dobie ❤Roscoe ❤Rolf (or maybe Cyd)
Normal: ❤Melba ❤Bea ❤Lily ❤Flurry ❤Poppy ❤Tia ❤Vesta ❤Molly ❤Merengue ❤Maple
Cranky: ❤Peewee ❤Static ❤Tom ❤Grizzly ❤Hamphrey ❤Apollo ❤Murphy ❤Dobie ❤Roscoe ❤Rolf (or maybe Cyd)
Normal: ❤Melba ❤Bea ❤Lily ❤Flurry ❤Poppy ❤Tia ❤Vesta ❤Molly ❤Merengue ❤Maple