| Donald & Douglas - Scottish Twins |
|---|
| Gender: Male |
| Color: Black |
| Occupation: Mixed-traffic engines |
| First Appearance: The Twin Engines |
| Voiced by: Craig Ferguson (Donald) Peter Capaldi (Douglas) |
Donald and Douglas are twin Scottish mixed-traffic engines.
Bio[]
Donald and his brother Douglas are twins. Practical jokers, Donald hates to be parted from his brother.