Dorulumon (Fusion)

Dorulumon is one of the main characters in the upcoming Digimon anime, Digimon Xros Wars. It is a member of Taiki's Xros Heart army.

Shoutmon X3
Shoutmon X3 is the Digi-Xros form of Shoutmon, Ballistamon, and Dorulumon.

An incomplete Shoutmon X3 fights Armed MadLeomon and takes out his chainsaw before reverting back to Shoutmon and Ballistamon.

Shoutmon X4
Shoutmon X4 is the Digi-Xros form of Shoutmon, Ballistamon, Dorulumon and the Star Sword, which is made out of Starmon and Pickmons. He is essentially Shoutmon X3 wielding the Star Sword.

Shoutmon X4 appears in Taiki's dream of his Xros Heart against the Blue Flare, where Shoutmon X4 mows down the opposition.