Brother Blood is the main antagonist of the third season of Teen Titans, and the archenemy of Cyborg. In this version, he is the headmaster of the HIVE academy school. He has the power and ability to influence people's minds.
He is voiced by John DiMaggio, who also played Dr. Drakken in Kim Possible, Diagon in Ben 10: Alien Force, the Joker in Batman: Under the Hood, Don Vito in MTV's Celebrity Deathmatch, and Bender in Futurama.
He first appeared in the episode "Deception" while Cyborg (disguised as Stone) were practicing combat with Gizmo, Jinx, and Mammoth. After Cyborg betrayed Blood and destroyed his school academy, Blood has many plans to get revenge on Cyborg for destroying his school.
Later, in the episode "Wavelength", he hired Bumblebee, a student from the H.I.V.E. academy, to fight Cyborg. After Cyborg and Bumblebee made up, they worked together to fight Blood and destroy his underground fortress near the ocean.
In the episodes, "Titans East Part 1 and 2", he sent a monster called Steamroller to fight Cyborg and the Titans East. And brainwash the Titans East After that, Blood once again fought Cyborg and badly injured him, but he used a secret weapon to shoot Blood out of the tower.
Then, Blood became an android and was more powerful than ever. He controlled the Titans East to attack Cyborg, but Robin and his friends came to his rescue. And he Attempt to convert the titans East into cyborgs Just for the Teen Titans to stop him And they fight the titans East Then, on top of the tower, Cyborg and Blood came face-to-face in one final showdown. He easily injured Cyborg, but there was only one thing Blood can't destroy in Cyborg's body; his core, which restored his body. Then, Cyborg finished Blood off by destroying his hands and giving him a kick, thus defeating Blood. Aqualad stated that he was sent to prison and vowed that Titans East would make sure he would stay there.
According to the producer of Teen Titans, David Slack, Brother Blood's character was written to be the opposite to Slade's character. Whereas Slade is secretive about his motives and activities, Brother Blood is open about his plans and ideas.