These two are sensible with a sense of humour. They both admire Isla. Like any coaches, they don't take any nonsense from their engine.
Aubrey and Aiden are painted teal green and brown with gold lining, golden yellow roofs and silver window frames.
- Series 22 - Outback Thomas, Cyclone Thomas and Kangaroo Christmas
- Series 23 - Laid Back Shane and Deep Trouble (cameo; fantasy)
- Series 24 - Untitled Australia Episode
- 2018 - Thomas and Friends: Adventures! (Aubrey only; mentioned)
- Genevieve McCarthy (UK/US)
- Maki Uchiyama (Japan)
- Marta Dylewska (Poland)
- Muriel Bielenberg (Germany)
- Hanna Mönkäre (Finland)
- Tim Bain (UK/US)
- Tōru Akiyoshi (Japan)
- Artur Pontek (Poland)
- Flemming Stein (Germany)
- Tuukka Leppänen (Finland)
- Aiden is the second character to be voiced by an episode writer, with the first being Lady, who was voiced by Britt Allcroft.