Dick Grayson is character from the DC Comics Universe and the first Robin who made a cameo in Vegeta: Kills Bugs Dead.
In DBZ Abridged
Dick Grayson in his Robin persona, was first seen with the rest of the Justice League meeting at the Hall of Justice about the coming of the Saiyans. He has not appeared since.
- Dick Grayson first appeared in Detective Comics #38 in April 1940 created by Bob Kane & Bill Finger in his Robin Identity where he was Batman's first Sidekick.
- His Nightwing Identity would later debuted in Tales of the Teen Titans #44 in July 1984 created by Marv Wolfman & George Perez.