History of character is unknown.
- Based on Skrike's haircut, it is guessed that he is based on the British comic character Dennis the Menace. His relationship with Squire is presumably due to the latter's resemblance to Beryl the Peril and Minnie the Minx, who have been compared to Dennis the Menace.
- 5 Appearances of Dennis Ennis (New Earth)
- 3 Images featuring Dennis Ennis (New Earth)
- Quotations by or about Dennis Ennis (New Earth)
- Character Gallery: Dennis Ennis (New Earth)