Incharacter Costumes Llc Men's Mad Scientist Brain Costume The Mad Scientist costume includes a long lab coat, vinyl brain with attached hair and vinyl gloves. The Mad Scientist comes in adult sizes X-Large, Large, Medium. This mad scientist costume features a blood splattered lab coat with printed tools and lab ID. The exposed vinyl brain and mysterious green goo add an extra level of crazy to this mad scientist. Black pants and make up are not included with this demented mad scientist Halloween costume for men.