Collin Ayers is a sound director at Treyarch, known for his work in the zombies Easter egg songs. He mostly worked on vocal recording. Among the songs he worked on are:
- Lullaby of a Dead Man
- The One
- Beauty of Annihilation
- 115
- Abracadavre
- Pareidolia
- Coming Home
- Carrion
- Lovesong for the Damned (loading screen of Green Run)
- We All Fall Down