Soixante-Six is Buster Machine 66, piloted by Tycho Science before it's destruction in Episode 3 of Diebuster
Soixante-Six was a brown humanoid buster machine of thin build. Scattered across Its body are nodes that produce electricity. However, it's most notable feature is its right arm, which has a retractable wrecking ball from which electricity can be discharged. Along with that, a laser can also be fired from the ball while it is retracted.
- Soixante-Six means 66 in French.