The front of the John Bull
The John Bull is the locomotive that takes you to the Chicago World's Fair in Mystery Train.
The John Bull rounding a turn
The John Bull in full steam
The John Bull after Zeus's reign of destruction during the events of Super Villain Island, as shown on TV.
- The John Bull is based off of the real John Bull, which actually took people to the actual Chicago World's Fair.
- When the John Bull turns and enters the tunnel, the Advertisement Car is missing.
- George Ferris and your Poptropican are the only passengers to not have a temporary cabin on the John Bull that is seen. George Ferris may have a temporary cabin on the train, however unlike the other cabins, his is never seen.
- The John Bull makes a cameo appearance and is briefly seen dangling off the edge of a cliff on Super Villain Island, where it is shown on TV while it shows the damage done to Mystery Train during Zeus' reign of destruction.