History of character is unknown.
- This version of the character is exclusive to the continuity of the television series Batman: The Brave and the Bold and its tie-in video game and comic book series, Batman: The Brave and The Bold and All-New Batman: The Brave and the Bold. It is an adaptation of Mark Desmond/Blockbuster. The original character was created by Gardner Fox and Carmine Infantino and first appeared in Detective Comics #345.
- Blockbuster was voiced by tawo actors, James Arnold Taylor covering the Mark Desmond aspect and Kevin Michael Richardson covering the Blockbuster aspect.
- 4 Appearances of Mark Desmond (The Brave and the Bold)
- 1 Images featuring Mark Desmond (The Brave and the Bold)
- Quotations by or about Mark Desmond (The Brave and the Bold)
- Character Gallery: Mark Desmond (The Brave and the Bold)