Greg is a red tender engine from The Mainland.
When Greg visited Sodor, James became jealous of him after noticing Greg was bigger and stronger than he was.
Greg is painted red with blue lining.
||Meg and Molly | The Amusement Park | Extraordinary Engines | Hugo and the New Engine | Dylan's Backstory | Bill, Ben, and BoCo | Duck's Special Special | The Substitute Controller | All About George: A New Beginning | James' Jealousy | Another Day Gone | Greens vs Yellows | Mavis Figures It Out | Rosie's Secret | Iron Horse | Vandals | The Return of Vinnie | Oliver and the Mainland Exploration | Jacob, Sierra, and Kira's Experience in Driving | Demo Day | Murdoch and Arthur | Daisy and Harvey | It's Possible... | Philip the Lucky Engine | Good Effort | Arthur Takes the Kipper
||Meg and Molly/Transcript | The Amusement Park/Transcript | Extraordinary Engines/Transcript | Hugo and the New Engine/Transcript | Dylan's Backstory/Transcript | Bill, Ben, and BoCo/Transcript | Duck's Special Special/Transcript | The Substitute Controller/Transcript | All About George: A New Beginning/Transcript | James' Jealousy/Transcript | Another Day Gone/Transcript | Greens vs Yellows/Transcript | Mavis Figures It Out/Transcript | Rosie's Secret/Transcript | Iron Horse/Transcript | Vandals/Transcript | The Return of Vinnie/Transcript | Oliver and the Mainland Exploration/Transcript | Jacob, Sierra, and Kira's Experience in Driving/Transcript | Demo Day/Transcript | Murdoch and Arthur/Transcript | Daisy and Harvey/Transcript | It's Possible.../Transcript | Philip the Lucky Engine/Transcript | Good Effort/Transcript | Arthur Takes the Kipper/Transcript
||Meg and Molly/Gallery | The Amusement Park/Gallery | Extraordinary Engines/Gallery | Hugo and the New Engine/Gallery | Dylan's Backstory/Gallery | Bill, Ben, and BoCo/Gallery | Duck's Special Special/Gallery | The Substitute Controller/Gallery | All About George: A New Beginning/Gallery | James' Jealousy/Gallery | Another Day Gone/Gallery | Greens vs Yellows/Gallery | Mavis Figures It Out/Gallery | Rosie's Secret/Gallery | Iron Horse/Gallery | Vandals/Gallery | The Return of Vinnie/Gallery | Oliver and the Mainland Exploration/Gallery | Jacob, Sierra, and Kira's Experience in Driving/Gallery | Demo Day/Gallery | Murdoch and Arthur/Gallery | Daisy and Harvey/Gallery | It's Possible.../Gallery | Philip the Lucky Engine/Gallery | Good Effort/Gallery | Arthur Takes the Kipper/Gallery
|Characters With Main Roles
||Meg | Molly | Dylan | Hugo | Bill and Ben | BoCo | Duck | Jacob | Sierra | George | James | Greg | Harvey | Bulstrode | Marie | Brady | Mavis | Rosie | Toby | Thomas | Annie and Clarabel | Vinnie | Oliver | Kira | Murdoch | Arthur | Daisy | Beresford | Philip | Richard Hatt