Cyclops are a one-eyed people. First one seen is Doug Hadderstorm, a low-level Astromancer and assistant to Malvaron in How to Train a Mysticon.
- In The Mysticon Kid a bald one is seen working as a crossing guard.
- In An Eye for an Eye one with an orange mohawk is shown at the start talking to a pointy-eared girl half his height as the Mysticons walk past. Em also mentions Polythinkmeus.