Sometimes the wellspring of invention runs dry and you need some help coming up with a cool concept for a character to design. If that happens to you, or if you're just looking for a challenge, experience what it's like to take someone else's vision and bring it to life. Head on over to Reddit's "Character Drawing" subreddit and look for entries marked "[LFA]" (Looking For Art). People give descriptions of their characters and you can reply with your version.
If you do, please tell them you came from HeroMachine and give the link. Also, I'd love to hear about it as well.
Good luck and have fun creating!