Red X was first Robin in disguise in episode named Masks The teen Titans later find out who was behind the mask. Robin locked the Red X suit away for safe keepings but one day someone stole it. Who stole it is unknown but it is possibly Jason Todd the second Robin. You will see red X has appeared in an episode called "X" and he has appeared in the episode Revved Up etc.
Identity: Unknown (possibly Jason Peter Todd)
Powers: Energy Projection, Teleportation
First appearance: "X" (September, 2004)
Overall Power Score: 9