Olumide Edwards Adegbolu (born September 1976) popularly known by his stage name "Olu Maintain" (sometimes called Mr. Yahooze) is a Nigerian recording artist, songwriter and performer. He co-founded the musical group known as Maintain with his cousin, Tolu Ogunniyi. Adeboye Bammeke, popularly known as Big Bamo, joined the group, which released six albums between 1998 and 2004 with the hit songs "I Catch Cold", "Domitila" and "Alo" before they separated in 2004.