Olanrewaju Ogunmefun, better known by his stage name Vector tha Viper, is a Nigerian Hip hop artist. Vector has released three studio albums, State of Surprise (SOS) and The Second Coming (2012). In anticipation of his second studio album, he released a mix tape titled "Bar Racks" "Lafiaji" which was released in December, 2016.
He is the voice behind a Sprite commercial that aired on radio stations across Nigeria since 2009
Lanre was born in Lagos State, hails from Ogun State, the fourth of five children. He schooled in Nigeria attending Command children school, Ijebu Ode Grammar School, Government College Victoria Island & Saint Gregory’s College. He started his journey into hip-hop in junior high in 1994. In St. Gregory's College, he was involved in various social activities in which he was made to perform from the stage. In 1999, he formed a duo called Badder Boiz, who wrote their own songs and in the same year went on to start performing at showcases as a trio.
They recorded their first demo in 1999 and attended talent showcases. Vector was going in the direction of an emcee. As a group of three, consisting of Vector, Krystal & Blaze, they were together until 2004 when Krystal left due to irreconcilable differences. He then attended the University of Lagos, graduating in 2008 with a bachelor's degree in Philosophy.
Vector released his first official single "Kilode" for the album State of Surprise in February 2010. He later released the video for this single in June 2010. His second official single was "Mary Jane" which was released in April of the same year The album was released on 29 October 2010, executive produced by Eloka "Culture" Oligbo. It featured 2 Face Idibia, General Pype, Chuddy K, Ade Piper, Emmsong, Sista Soul and with productions from H-Code, Sam Klef, Da Piano, J-Smith, Xela Xelz and Vibez Production.
He released a video for the song "Get Down" featuring 2Face Idibia in June 2011. At the Nigerian Music Video Awards 2011, he was nominated for "Best Mainstream Hip Hop Video". He was nominated at the 2010 Nigeria Entertainment Awards for "Best Collaboration With Vocals" with the track "Champion" in which he was featured in by General Pype.
His singles "Angeli" ft. 9ice and "Mr. Vector" featuring Jazzy, both produced by Sagzy were released on 19 May 2011 and were on heavy rotation on radio stations around the country. The video for "Angeli" was released in October, 2011.
Vector released the track "Born Leader" featuring Mavado of DJ Khaled's We the Best Music Group. "Born Leader" is Vector’s third single off his second album titled The Second Coming. He shot the video in Miami, Florida and it was directed by Antwan Smith. In August 2013 he was featured by Pheelz a producer on a song titled "Popular" which gained airplay in radio stations across Nigeria.
Nigerian artiste Reminisce recorded a diss track "ATA (Street Kitchen Reply)" with the line, "V-E what shit ki lo’n je be. Shebi iwo lo rap ju shit o ma pe’n nbe" in reply to Vector's verse on Sauce Kid's "Kitchen Street" in which Vector said "For all those boys wey dey show. Ti e ba fe ma form pe eyin lata ani tomato to ma to".
After this incidence Vector has replied with the track "Distractions (Reminisce Diss)", which he featured on with renowned lyricist A-Q. Vector hit him with the lines, "Cos you bleach your skin doesn't mean you are enlightened, Pig. I'm the base and my crew be strong, you cannot be the best cause you had one stupid song" and "And I'm made oh, and it's so public. But you, your life is like your videos, low budget.