In an alternate timeline, Arthur Brown was known as Crypto-King rather than Cluemaster. When his wife, Crystal, decided to turn him into the Gotham City Police Department, he forced her to overdose on her favorite pills. On the night of his big scheme, he found that his daughter, Stephanie was waiting for him and planned to have him overdose. Realizing that she could physically force him to overdose, she tried to run away. When Batman came to intervene, she used to opportunity to shove the pills down his throat, killing him.
- This version of the character is exclusive to the continuity of the World Without Young Justice and is an adaptation of Arthur Brown. The original character was created by Gardner Fox and Carmine Infantino and first appeared in Detective Comics #351.
- 1 Appearances of Arthur Brown (World Without Young Justice)
- 1 Images featuring Arthur Brown (World Without Young Justice)
- Quotations by or about Arthur Brown (World Without Young Justice)
- Character Gallery: Arthur Brown (World Without Young Justice)