|Human Host/Form:||Unnamed Man|
|First Appearance:||Project Ultraman Trailer|
|Number of Appearances:||N/A (various stage shows)|
A stark contrast to the justice upheld by Millennium, Dark Ultraman sought to stop the latter by any means possible. His motives were unclear, but he eventually sided with Millennium and Elite.
- Height: 45 m
- Weight: 45,000 t
- Age: 70,000 years
- Human Host: Ray Macdonald (actor's name)
- Transformation Item: Beta Capsule-like device
- Eyes: As if to signify his dastardly nature, Dark Ultraman's eyes glow a sinister red.
- Flaps: For some reason, flaps grow from the sides of his head down to his body.
- Color Timer: Dark Ultraman possesses a Color Timer, flat in shape.
- Dark Ray (Name Unknown): An orange beam fired from palms placed together.
Dark's Host was going to be a man played by Ray McDonald. His host would transform using a dark device similar in appearance and function to the Beta Capsule.