- "Fillion comes from an Irish family with a long history of military service. His brother defected to Mars in his 20s, while Fillion, instead, joined SATO. The Retribution's resident spiritual advisor, Fillion does his best to support the crew through difficult times."
- — Captain's Log
Michael Fillion is a character featured in Call of Duty: Infinite Warfare. He is a Chaplain aboard the Retribution and brother of Bradley Fillion. His family served in the Earth's military for a long time, so he had enlisted and have served together with his brother until, in his 20s Bradley defected to Mars. He served on the carrier as a spiritual advisor for supporting crew members who dealt with difficult times.