Rheneas is a red Narrow Gauge tank engine. He is good friends with Skarloey; he has a twin in the Talyllyn Railway named Dolgoch. Rheneas and Skarloey are good friends and are often seen with each other. Once, the two had departed for Crewe, but had came back soon. He often pulls coaches and often sometimes pulls Ada, Jane and Mabel and the only time he was seen pulling them was in Special Tunnel.
Rheneas is a red Narrow Gauge tank engine that works on The Narrow Gauge Railway.
In Special Tunnel, there is an alternate version of Rheneas who is painted yellow and is a in a different shape. He is not brothers with Skarloey and despises him because he sings too much.
- Season 1: Thumper Saves the Day
- Season 2: Skarloey and Rheneas Depart for Crewe
- Season 3:
- Season 4: Best of Friends
- Season 5:
- Season 6:
- Season 7: Neil's Nonsense
- Season 8:
- Season 9: Special Tunnel (in red and yellow liveries)
- Season 10: Tour de Sodor
- Season 11: Around the Railyard in 64 Seconds and Duncan in the Dumps
- Season 12: Rheneas and the Risky Rendezvous
- Season 13: The Duke of Hazard
- Specials: Thomas & The Storm