Complex sentence: In "Tails Adventures" the island that Tails is on, seems to be inhabited by Flickies, also in Sonic and Knuckles Tails' super transformation has four super Flickies surrounding him, who attack any enemies that are surrounding Tails, including bosses.
Split into simpler sentences: In "Tails Adventures", the island that Tails is on seems to be inhabited by Flickies. Also, in Sonic and Knuckles, Tails' super transformation has four super Flickies surrounding him, who attack any enemies that are surrounding Tails, including bosses.