Fireball Cannons are a type of obstacle attached to walls of some levels. They shoot fireballs in a straight line. Upon contact, they immediately damage Sonic.
The Fireball Cannons appeared in the stage Marble Zone. The Fireball Cannons shoot fireballs every three seconds. The cannons they began to appear in Marble Zone Act 2. They later appear in Star Light Zone with a different appearance but functions the same.
The Fireball Cannons appeared in Lava Reef Zone.
Appearances in Other Media
A fireball was fired from a cannon in the episode "Sonic's Nightmare".