Marissa Williams filmed Saturday and Jeffrey Duke filmed everything on Sunday.
The fight scenes were choreographed on the day.
Filmed on a Saturday and Sunday.
The director's wife and son came up with the name Happy Yeah Man while being silly in the kitchen of their home.
All of Happy Yeah Man's scenes were shot on Saturday without Robert and Brendan. The team filmed a lot of different angles to make it look like all of the actors were there for the big battle in the park.