If you guessed Lt. Col. Gregorio "Gringo" Honasan, the renegade Reform the Armed Forces (RAM) leader, poster-boy for the 1987 People Powered Revolution, then you were right. He is pictured above in the Senate where he has served since 1995. I wonder if he ever actually retired from the Philippine army and received a pension.
A graduate of Philippine Military Academy class of ’81, Honasan figured in a series of uprisings against Marcos and then later against President Corazon Aquino, whom he helped install in 1986. He was granted amnesty in 1992 by President Fidel Ramos, a fellow soldier and key player in the first Edsa Revolution of 1986.
Here's the bio from Senator Gringo's campaign website: