Caulder became fascinated with Rachel Roth's abilities and wanted to experiment on her. At first she agreed, but quickly changed her mind. The Chief, however, was a persistent one and wouldn't let her go. Desperate, Rachel used her powers to attack him and escape. The attack broke Caulder's back and left him paraplegic once again.
- Wheelchair (Formerly)
- This version of the character is exclusive to the continuity of the television series Titans and is an adaptation of Niles Caulder/The Chief. The original character was created by Arnold Drake and Bruno Premiani and first appeared in My Greatest Adventure #80.
- The Chief was portrayed by Bruno Bichir in his first appearance. In subsequent appearances, he is portrayed by Timothy Dalton.
- 12 Appearances of Niles Caulder (Titans TV Series)
- 6 Images featuring Niles Caulder (Titans TV Series)
- Quotations by or about Niles Caulder (Titans TV Series)
- Character Gallery: Niles Caulder (Titans TV Series)
Doom Patrol member