Probably been done before, but it amused me. Plus hey, crossover! :D Now why couldn't I have thought of this back around Halloween? XD

Ghostbusters © Dan Aykroyd, Harold Ramis, Columbia Pictures, and others
Big Hero 6 © Steven T. Seagle, Duncan Rouleau, Walt Disney Pictures, Marvel Comics, and others
pic, as always © JayManney4Life