Clark S. Nova is a musician and vocalist known for singing several of the Zombies Easter eggs songs. In Call of Duty: Black Ops II. Clark S. Nova sang in Tranzit "Carrion", and in Die Rise "We All Fall Down" and a cameo singer in Origins "Archangel", and in Call of Duty: Black Ops III Clark S. Nova sings in Gorod Krovi "Dead Ended". Clark S. Nova returns in Call of Duty: Black Ops 4, providing vocals for the Ancient Evil song "Stormbound", and the Alpha Omega song "I Am The Well". He returns yet again in Call of Duty: Black Ops Cold War to provide vocals for the Die Maschine song "Alone". He also does the jingle for Perk-a-Cola Death Perception.
The songs he has provided vocals for are:
- Carrion
- We All Fall Down
- Archangel (with Elena Siegman and Malukah)
- Dead Ended
- Stormbound
- I Am The Well
- Alone