So the octos names are:
Astro: (Yurie's 2nd alter ego, the 1st being Urchins)
Korrin: (Heavy splatling main, catchphrase is "YATATATATATATATATATA YATATATATATATATATA YATATATATATATATATA YATATATATATATATA" like Heavy from tf2
Tidle Wave: (Dualie squelcher, always superjumps from danger)