R.R. Rapide is Oso's French-speaking train in Special Agent Oso, who sometimes takes Oso to someplace where kids need help and also sometimes Oso does the training exercises on board Rapide.
- He is likely a reference to the FASTECH 360, based on his shape and retractable air brake ears.
- His name is French for fast.
Community content is available under CC-BY-SA unless otherwise noted.