Greg Weisman planned seven possible spin-offs for Gargoyles.  Bad Guys became a Slave Labor Graphics comic book in 2007, and two others were tentatively planned for the same before the license expired. In 2023, Dark Ages debuted as a comic book published by Dynamite Entertainment.
- Bad Guys – A series featuring a Redemption Squad comprised of former Gargoyles villains recruited by the mysterious Director to combat the Illuminati.
- Gargoyles: Dark Ages – A prequel series set at Wyvern Hill in the years preceding the episode, "Awakening: Part One".
- The New Olympians – A series set following the New Olympians' decision to reveal themselves to the world in front of the United Nations.
- Pendragon – A series following King Arthur and Griff as they search for Arthur's old mentor Merlin.
- Gargoyles 2198 – A series set in the future of the Gargoyles Universe, in the year 2198, following an invasion by the alien Space-Spawn.
- TimeDancer – A series following Brooklyn's adventures travelling through time with the phoenix.
- Heroes of Ulster – A series following the adventures of Rory Dugan and Molly.