GREEN HILL ZONE SPOOFS:
Wrecking all! -
Sonic jumps on Platform (In boss battle) and then the wrecking ball destroy the platform and sends sonic flying into the ocean. Then the wrecking ball goes up high and hits Eggman.

You've been punked -
Sonic sees a Motobug, the motobug transforms into eggman, Sonic runs away and Eggman laughs but then, Sonic jumps down and hits eggman, then Eggman falls into the earth's core. Eggman blows up as sonic sees it but then eggman taps Sonic's shoulder, sonic runs away.

Mario VS. Sonic -
Mario and sonics are standing on 2 platforms. LIKE THE BOSS BATTLE ONLY WITHOUT EGGMAN. Mario jumps and so does Sonic. Then both fall on the ground. Then eggman runs in and stomps both of them. A sign behind them says EGGMAN WINS.