The Hyperion Guard (founding roster)
The Futurist
Horus
Firecracker
Human Dynamo (III)
White Cross
The Lycian

The Hyperion Guard (current roster)
The Futurist
Pax*
Celera
Helios
The Lycian
Challenger
Agent M & The Brick
Abstract Man
Cold Fusion

*Formerly the Human Dynamo (III), he became Pax after joining/being consumed by a piece of advanced technology, possibly of extraterrestrial or extradimensional origin.