Larry

Larry appears in the original series as a sprite but he hasn't appeared in a Teen Titans Go!episode.

Origin
Larry appears in the original series coming from a bump on Robin's head. His species is a sprite from another dimension.

Appearences
Here, Larry appears as a power up that makes Robin stronger. With this upgrade, you'll be able to walk through electricity, alive, but with lost powers.
 * Tower Lockdown

Triva

 * He was voiced by Dee Bradley Baker in the original series.