Knuckles is the partner of the Whistling Skull.
History
He is a strong man with a learning impairment. His father provides him with special lotion to harden his skin, making it more resilient than normal human skin.[1]
His father was the Sixth Whistling Skull.
Related
- 6 Appearances of Nigel Singleton (Earth-40)
- 5 Images featuring Nigel Singleton (Earth-40)
- 1 Quotations by or about Nigel Singleton (Earth-40)
- Character Gallery: Nigel Singleton (Earth-40)
Footnotes