The Covenant are an army of aliens and are one of the primary species of antagonists of Super Smash Bros. Crossover. They are an alien empire who are in search of the Chaos Emeralds and Master Emerald in which they believe it will make them the most powerful beings but will actually corrupt the multiverse or even destroy it. They have invaded many planets such as Mushroom Kingdom, Dreamland, and Mobius, and are the primary antagonists towards Mario, Master Chief, Mata Nui, Kirby, Sonic the Hedgehog, and other Heroes who are trying to stop them.
The Covenant debut in the beginning of Season 1 as the main organization of antagonists where they begin to deceive Mario, Luigi, and Wario by sending them invitation for an party at Princess Peach's castle. As they reach the castle they soon realize that The Covenant have invaded Mushroom Kingdom capturing every resident and imprisoning Mario, Luigi, and Wario, leaving Master Chief, Toon Link, Kirby, and Yoshi to stop them. As they battle, The Covenant send in an Wraith in attempt to defeat the heroes but somehow Kirby and Yoshi were able to counter the tank with the help of Master Chief. This grew The Covenant more angered and sent in endless waves of Elites and outnumbering the heroes. However just before the alien empire could capture Master Chief and his allies, an strange being known as Mata Nui appears to save Master Chief, Toon Link, Kirby, and Yoshi, and free Mario and his friends. Mata Nui later reveals that The Covenant are not only conquering Mushroom Kingdom but also are searching for the Chaos Emeralds and Master Emerald where they accompany with Smithy whom can help them locate the emeralds. Throughout Season 1, The Covenant dominate every world of Mushroom Kingdom turn it into their territories, they are fought by Master Chief, Toon Link, Kirby, Mario, Luigi, Wario, and Yoshi. At the end Season 1, after Sasuke Uchiha defeats Smithy, The Covenant are angered by defeat and travel to space in attempting to locate the Chaos Emeralds and Master Emerald. In Season 2, they join forces with the League Of Six Kingdoms being led by Pridak where Master Chief and Mario fights off The Covenant while Wario and Meta Knight fight off Pridak and his faction. With the help of Mata Nui, Meta Knight and Wario defeat Pridak and Takadox and save Kirby. As an result The Covenant alongside Pridak and Takadox escaped.
- Jul 'Mdama(official leader)
- The Arbiter(formerly)
- The Covenant seem to have an intense dislike towards the Mobians, as shown in Season 10 an group Covenant aliens began telling jokes to Miles "Tails" Prower. This angered Tails and caused him to use one of the Covenant's Needlers to knock them out