Monty Oum - is a video game writer. Monty Oum began his career in 2016 and has worked for companies such as Rooster Teeth Productions and Rooster Teeth Games. Monty Oum's first game was RWBY: Grimm Eclipse which was released 7 years ago. Best Game Monty Oum contributed to was RWBY: Grimm Eclipse. Monty Oum's latest work is RWBY: Grimm Eclipse which was released 7 years ago.