Lionel was a police officer, best known for being the partner of Lieutenant Kellaway. They started the investigation of Stanley Ipkiss and "The Big-Head Killer", but after four months since his disappearance, Kellaway gave up the investigation. Unaware that Kellaway had come into possession of The Mask, Lionel continued the investigation when the killer reappeared, although this time as a vigilante. Lionel was almost killed while trying to stop The Mask, but Kellaway controlled his instincts and spared his partner.
- 10 Appearances of Lionel
- 1 Images featuring Lionel
- Quotations by or about Lionel
- Character Gallery: Lionel