Grease Monkey Garage – Founded by Car Guys for Car Guys We founded Grease Monkey Garage because we are passionate about cars and just about anything related to cars. So, if you are anything like us, then that means that you also want your garage or other space to reflect that same passion. To help you do just that, Grease Monkey Garage stocks the latest designs in garage décor and garage art, including retro car neon signs, neon clocks, metal signs, as well as garage cabinets, tool storage, and furniture.