Enemy Mine: The Supetastic 6 and Matt Pinfield, the main villain of the animated special, join forces to stop the Anti-Guardian. There's also the Chief Blue Meanie teaming up with The Beatles.
Evil Overlord: The Anti-Guardian to the Drawqians, and by extension the entire Anti-matter multiverse.
Evil Twin: The Anti-Guardian to the Guardian of the Omniverse
Fusion Dance: Not only is the original Trope Namer present, but there's Captain Vegito (a fusion of Captain Music, Goku & Vegeta), Captain Music X4 (Captian Vegito while wielding the Star Sword), Captain Music X5 (a fusion of Captain Vegito and Sparrowmon while wielding the Star Sword), Captain Music DX (a fusion of Gold Captain Music and Zeke Omnimon) and Captain Music X7 (A fusion of Captain Music DX, Goku, Vegeta, the Star Sword and Sparrowmon)
Original Generation: The Anti-Guardian, the Guardian of the Omniverse, the Drawqians, Ralph the Gas Mask, Rebyhk, Dez, Ralph the Gas Mask, Silverclaw, Kyutoryu Comic, Diable Jambe Mr. X, Nite Bat With Lemon, White Raccoon Spandex Spectre, Golden Super Ramses, The Warlord and the Skrulltauri.
Super Mode: Gold Captain Music, Kyutoryu Comic, Diable Jambe Mr. X, Nite Bat With Lemon, White Raccoon Spandex Spectre and Captain Music X7 Superior Mode
Golden Super Mode: Gold Captain Music and Zeke Omnimon (and by extension Captain Music DX and Captain Music X7). There's also Captain Vegito, Golden Super Ramses and Sgt. Cordell Walker (after getting some of Goku's blood on him) as a Super Saiyan.