Christogonus Ezebuiro Obinna (1947 – 2 June 1999), nke a na-akpọ Dr. Sir Warrior, bụ onye isi otu Oriental Brothers International Band bụ nke ama ama na egwu egwu Igbo Highlife Nigeria ruo ọtụtụ iri afọ. O mere egwu nke ọma na Naijiria, tinyekwara ndị ọrụ ụgbọ mmiri ya na mba ụwa dịka London na United States of America. Na mbụ, onye malitere otu a bụ Ferdinand Emeka Opara. Dr. Sir Warrior nwere ike gbanwee arụmọrụ ya ka ọ bụrụ ọrụ na-aga nke ọma na 1970s mgbe ọ sonyeere Orientalu Brodas Entanashional Band. Ndị otu ahụ mechara gbawaa, na-eduga na Prince Ichita & the Great Oriental Brothers International Band, Oriental Brothers International, na mgbe ahụ Dr. Sir Warrior & His Oriental Brothers International, nke akpọrọ The Oriental Original. O nwere ihe dị ka platinum 12 na ọla edo iri n'ọrụ ya.   ] Dr Sir Warrior lụrụ di ma mụọ ụmụ ise (ụmụ nwoke atọ na ụmụ nwanyị abụọ). Nwa mbụ ya kwuru banyere ya "O kweghị ka anyị nwee mmasị n'egwú. Ọ chọrọ ka anyị buru ụzọ gụchaa akwụkwọ.