Super Cyber Beast

Super Cybeast or in the Japanese version, Super Cyber Beast (超電脳獣 Chō Dennōjū) is the combination of the two Cybeasts Gregar and Falzar. Fans tend call him Grezar, which is a mix of the two English names.

Anime
After the battle between Gregar and Falzar in episode 24 of Rockman EXE Beast, Lord Wily of Beyondard uses Trill to combine them into one, creating the super Cybeast Super Cybeast and using it as his vessel. With his new body, Wily attacks both worlds. Super Cybeast and Wily were deleted by MegaMan in episode 25, and the portal between the two worlds is closed. In Rockman EXE Beast+, the Professor tries to revive Super Cybeast again and deleted for good.

Manga
When Gregar and Falzar awakened, they combined into one Cybeast when they faced each other. With his new powers, it is able to appear in the real world and begins to absorb the Earth. MegaMan and Bass fight against it to save the world.