Spoiler Warning: To make it easier to differentiate between these characters, this page spoils some important reveals from seasons 6 - 10. If you are a newer viewer you probably want Leonard L. Church.
Church is a human surname that commonly refers to the following:
- Leonard L. Church / Alpha - Former de facto leader of the Blood Gulch Blue team. Later revealed to be the A.I. program Alpha, based on the former Director of Project Freelancer. Introduced in Season 1.
- Epsilon - The A.I. fragment containing the Alpha's memories. Often referred to as "Church" by his teammates. He has the potential to simulate any character he remembers, but spends most of his time impersonating the Alpha. Introduced in Season 6.
- Doctor Leonard Church / Director - Former Director of Project Freelancer and basis for the Alpha A.I. program. Husband of Allison and father of Carolina. Introduced in Season 6.
It may also refer to:
- Allison Church - Former UNSC marine, fell in combat in the Great War. Wife of Dr Leonard Church and mother of Carolina. Introduced in Season 10.
- Freelancer Agent Texas / Tex / Allison / Beta - Former Project Freelancer agent. Later revealed to be the A.I. by-product Beta, formed from the Director's memories of his wife. Introduced in Season 1.
- Tex II / Epsilon-Tex - A fragment of the Epsilon A.I. created in a similar fashion to Beta. Introduced in Season 8.
- Freelancer Agent Carolina, last name Church - Former Project Freelancer agent allied with the Reds and Blues. Daughter of Allison and Dr Leonard Church.
- Caboose's Mental Image of Church - Michael J. Caboose's twisted mental image of Alpha-Church.
- Yellow Church - Michael J. Caboose's twisted mental image of Kaikaina Grif, whom he believed to be Alpha-Church's twin brother.
- Genkins - A member of the Cosmic Powers allied with Chrovos who began posing as Church after the paradox.