D150 is a fan-made villain from Thomas the Tank Engine and Friends he is a British Rail Class 45 he has scars and a hidden flamethrower. While he was destroyed in Battle on the Rails, some of his parts were salvaged to make D666.
Counterparts (Thomas Version)
- ChaosCroc, Mammoth Mogul, Ix, Trogg, or Set (Sonic the Hedgehog)
Counterparts (Connor and Caitlin Version)
- Bulgy (Thomas the Tank Engine and Friends)