Sand Dragon

Todd with Sand Dragon

Sand Dragon is the sword Todd created for himself in episode 1x13 as suggested by The Metal Dudes. He used it to cut Curtis' demonic arm off. After this, Todd can be seen with it at the school often, though nobody seems to mind someone walking around the school with a huge sword.

In the would-be future depicted in episode 2x12 Sand Dragon is heavily damaged, which upset Todd.