Marquis Amonte King aka Shy Glizzy, is an American rapper.

Glizzy was featured on Complex as one of the "10 New DMV Rappers To Watch Out For." On December 12, 2012, he released his mixtape Fxck Rap and ATL rapper Trinidad James appears on the track "Pilot." The Fader describes Fxck Rap as "an appealingly eager tape."

On August 2, 2013, Glizzy released his mixtape Law 2, a follow-up to his previous mixtape. The 14-track project features Migos, Yo Gotti, Kevin Gates, Starlito, and more. The following producers soundtracked the project: Karltin Bankz, Izze The Producer, Rick Flare, Metro Boomin, Big K, YB, Beezy, Rico Beats, Lil Lody, LG The Producer.

On February 17, 2014, Glizzy released his mixtape Young Jefe, an 18-track tape hosted by DJ Bigga Rankin, and featured production from Zaytoven, Cardo, Roger Beat and others. From that mixtape, the hit single “Awwsome” turned into the biggest song of his career and peaked at number 45 on the US Hot R&B/Hip-Hop Songs chart. It spawned a remix off the record that features A$AP Rocky and 2 Chainz that grabbed more than 750,000 streams on Soundcloud in the first week of its release. The mixtape also features "Medellin" with Young Scooter, as well as appearances from Young Thug, PeeWee Longway, Zed Zilla, Gudda Gudda, Plies and more. It was produced by Cardo, Will A Fool, Zaytoven, and Nito Beats. In 2015, Shy Glizzy was chosen as part of the XXL magazine Freshman Class.

Glizzy released an EP titled "The World is Yours" under the name Jefe in January 2017. The song "Take Me Away" was released September 29, 2017. He released the mixtape Quiet Storm on December 12, 2017. In October 2018, he released the mixtape Fully Loaded.

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