Mon'Nig

"I AM THE DWELLER OF THE DEPTHS AND YOU HEROES NEVER STOP ME!"

Mon'Nig is Aquaboy's Arch-Rival who want to threat Atlantis on all to himself but also when Manny and his Allies return to his raised hometown to stop him from threating them, He was unable to defeat Aquaboy and his Friends even so which it remain Mon'Nig is try to destroy the world on the such chaos and massive rage

but was stated by Valko that He was able to destory all any of them in Poseidonis and also revealed that Mon'Nig was fought by Manny since 1995-2015 when Noxus invade Ionia so as that it was been there so ever the days of Aquaboy moved to Fiore He was locked away by Atlanna for getting near her Half-Son and was defeated by Manny the hero himself that saved Atlantis