Sonicunderground clipped rev 1.png
This character exists primarily within the Sonic Underground continuity.
Information in this article may not be canonical to the storyline of the games or any other Sonic continuity.

Lionel is a character appears in the Sonic Underground television series. He is an anthropomorphic lion and the father of Cyrus.


Robotnik captured Lionel to work for him and to get Cyrus to do what he wanted. In the end, Lionel was roboticized.[1] He later reappeared where he worked on Robotnik's "Sleeper" Project and helped destroy them.[2] It is unknown if he still works for Robotnik.


  1. Hurst, Ben (6 September 1999). "Tangled Webs". Sonic Underground. Season 1. Episode 6. First-run syndication.
  2. Hurst, Ben; Alle, Pat (18 October 1999). "Sleepers". Sonic Underground. Season 1. Episode 36. First-run syndication.
Community content is available under CC-BY-SA unless otherwise noted.