Usually I chose those very lousy heroes, and screw it up.
This time, my hero actually not bad, it's a beetle-like creatyre called Scarab'nm, who looks something like this.

Didn't realize the potential of the Engineer until Jacky used it, and Damnit! The engineer, with lotsa money, can build "super weapons" like the devastator.

Impressive, are they not?
Sigh... ... fared badly in the game... ...