Richard Milhouse "Rick" Jones was for a period of time A-Bomb: a blue creature, that much resembles that of Hulk. Rick Jones was a close friend of Bruce Banner and the Hulk for a long time, and unexplicably became a creature resembling the Abomination (calling himself A-Bomb) around the same time as the creation of the Red Hulk. Later stories reveal M.O.D.O.K.'s involvement in the creation of A-Bomb.
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A-Bomb is revealed to be Rick Jones in Hulk (2008) #6. Depowered in Hulk #7 (2014). While he fought Red Hulk in some stories, they also reluctantly worked together at some points as well, particularly the Mayan Rule storyline.