Years ago, I was making a game setting called Dome Raid about a post-human Earth that got turned into a giant theme park. Then it went wrong, and alien mercenaries had to come in and kill everything.
I never finished, but I have lots of art. Here's some...
The idea of a badass warrior that's also a clown is something that has haunted me my entire life. Here is one of many drawings where the idea has resurfaced.