
Sani Abacha GCFR was a Nigerian military general who served as the military head of state of Nigeria from 1993 until his death in 1998. He was also Chief of Army Staff between 1985 to 1990; Chief of Defence Staff between 1990 to 1993; and Minister of Defence. In 1993, Abacha became the first Nigerian Army officer to attain the rank of a full military general without skipping a single rank.
Major General Johnson Thomas Umunnakwe Aguiyi-Ironsi MVO, MBE was the first Military Head of State of Nigeria. He seized power amidst the ensuing chaos following the 15 January 1966 military coup, which decapitated the country's leadership.

Martin Luther Agwai CFR GSS psc(+) fwc is a retired Nigerian army officer who served as Chief of Defence Staff and Chief of Army Staff.

General Owoye Andrew Azazi was a senior Nigerian security officer who served as National Security Adviser to President Goodluck Jonathan, was Chief of Defence Staff (CDS) of Nigeria, and Chief of Army Staff (COAS). Before his first service chief appointment (COAS), he was General Officer Commanding (GOC) 1 Division, Kaduna State.

General Ibrahim Badamasi Babangida GCB GCFR popularly known as IBB, is a Nigerian general and statesman who served as military President of Nigeria from 1985 until his resignation in 1993. He also served as the Chief of Army Staff from January 1984 to August 1985. Babangida rose through the ranks in the military and fought during the Nigerian Civil War, and played key roles in several military coups in Nigeria.

General Theophilus Yakubu Danjuma is a Nigerian general and politician who has played a key role in the history of Nigeria. Danjuma amassed an enormous fortune through shipping and petroleum.

Yakubu "Jack" Gowon is a Nigerian political and military leader who served as the head of state of Nigeria from 1966 to 1975.

Lt. General Gibson Sanda Jalo CFR FSS JSS was the Nigerian Chief of Army Staff (COAS) from April 1980 until October 1981. He also served as the Nigerian Chief of Defence Staff from 1981 to 1983 during the Nigerian Second Republic.
General Hassan Usman Katsina was a Nigerian statesman and military leader who was the Governor of Northern Nigeria following the 1966 Nigerian coup d'état. During the Nigerian Civil War he served as the Chief of Army Staff and later became the deputy Chief of Staff, Supreme Headquarters.