Charlie is a purple tank engine.
- TrackMaster by Fisher-Price version (painted buffers and couplings) (2009-2014)
- TrackMaster (Revolution) by Fisher-Price version (new wheel rubber and motor with enhanced performance) (2014-present)
- Charlie with Red Fish Van (TrackMaster [Fisher-Price])
- Charlie with Red Van (TrackMaster [Revolution])
- Charlie (TrackMaster [Fisher-Price; Revolution])
- Charlie in "Play Time" (TrackMaster [Fisher-Price])
- Charlie was originally going to be released in the TrackMaster range by HiT Toy Company, but was held back.
- The cancelled TrackMaster (HiT Toy Company) Charlie features Billy's face.
- Charlie's prototype had purple wheels and windows.
- Billy and Charlie are based on the same class, but are both different sizes due to being produced by two different companies.