- Otu 1982-1999: Ovie
Kokori 2000-2004: J. I.
Akinlaja 2004-2012:
Elijah Okougbo 2012-2015:
Isaac Aberare 2015-2018:
Joseph Ogbebor 2018-2019:
Adamu Song...
- Ọsẹmhẹngbe, etc.; Okosun, Okojie, Okodugha, Okoemu, Okouromi,Okoukoni,
Okougbo, Okoepkẹn, Okoror, Okouruwa,
Oriaifo etc. To any Oko-, 'Ọm-' the suffix...