Mike Sleva is one of the creators of Siegius, responsible for the game's art. He along with Juice-Tin makes an appearance in the Boarathian campaign. In-game as an automatic unit, he wields a paintbrush as a weapon and a palette as a shield, reflecting his role in artistry.
- Along with Juice-Tin, Mike Sleva seems to have the programming of a general; his symbol is big and is lined with white, and he also has the custom health bar with his name above it. Mike also retreats into his base after a period of time.