Clarke is based on the Baltimore and Ohio Railroad streamlined President Class.
Clarke is painted a pinkish-redish-purple colour with blue lining.
- Season 11 - Blaise's Ice Cream Delivery (cameo), Jackie Know Best , Merry Christmas DJ (cameo), and Casey and the Crane .
- Season 12 - Fonzie and Emma (cameo)
- Season 13 - Kyona and the Ghost Engine , Hayden and the Funfair , Jane Speed Through (cameo), Cameron and Kelvon, and McKhyla's First Halloween (doesn't speak)
- Season 14 - Cameron Special Delivery (cameo), Avery Tall Tales (cameo), Elijah Returns, DJ in Charge (cameo), Marc and Robert (mentioned), and The Monster Within DJ
- Season 15 - Gerad, Timothy, and Khari (doesn't speak), Calm Down Clarke, Carlos and the Special Express, and Jalen Pull The Special Express
- Season 19 - Clarke and DJ, Sydney Know Best, Miles and J'Von, Christmas at Boch Island (cameo), Chassidy the Leader, and The Big Christmas Party (doesn't speak)