Razenoid is a mutated alter-ego of Phantom Dharak. He was in fact Dharak who survived in the sacred Orb by Code Eve's anger that mutated him into Razenoid. He was responsible for creating the Chaos Bakugan by absorbing the Chaos Energies due to fight, he was revealed to be Dharak when he talks to Drago. In episode 26, he tried to kill Drago, but Drago survived and evolved into Fusion Dragonoid and he and Mag Mel were destroyed due to an evolved Drago. He was responsible for killing Zenthon and Zenthon Titan with his Mechtogans Dreadeon and Razen Titan.
Dharak and Barodius were responsable for destroying the shields of Neathia, after being defeated by Dan and Drago, they were mutated by Code Eve who turned them into Mag Mel and Razenoid due to the Code Eve's anger.
Razenoid (ラゼノイド Razenoido) is a demonic spider/dragon-like BakuTaxtix Bakugan that is the mutation of Phantom Dharakand the Guardian Bakugan of Mag Mel in Mechtanium Surge. His Mechtogan is Dreadeon and his Mechtogan Titan is Razen Titan. He evolved into Evolved Razenoid in Interspace Armageddon.