Ollie Griffith

Ollie Griffith was an agent of CICADA that was killed during GHOST's attack on the CICADA building.

Agents of CICADA
During Agents of CICADA Johnny Riggs mentions Ollie Griffith several times and also mentions how he's a friend of Griffith.

Ex-Agents of CICADA
Ollie Griffith is one of the agents that appears on the list of identified victims during the attack on the CICADA building. Johnny Riggs later goes to put flowers on his tomb.