Christopher ‘Big Black’ Boykin of MTV's ‘Rob & Big’ dead at 45, Rob Dyrdek responds

Christopher "Big Black" Boykin, known as "Big Black" or "Black" by skater and reality TV star Rob Dyrdek, has died, according to TMZ.

Big and Dyrdek starred in MTV’s “Rob & Big” and “Rob Dyrdek’s Fantasy Factory.”

He was 45 years old.

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People confirmed with a representative for Boykin that he died of a heart attack Tuesday morning.

Boykin appeared as Dyrdek's bodyguard on "Rob & Big," which ran from 2006 to 2008. In the show, the pair took on numerous adventures, including breaking Guinness world records and adopting a mini-horse, according to Variety. "Fantasy Factory" aired as a follow-up to "Rob & Big" and aired from 2009 to 2015.

Before reality TV, Boykin served in the U.S. Navy.

The 6-foot-6-inch star also made three appearances on Dyrdek’s clip show “Ridiculousness.” A co-host on the show, Chanel West Coast, offered her condolences on Twitter.

🙏🏼😢— Chanel (@chanelwestcoast) May 10, 2017

Later Tuesday, Dyrdek reacted to the news in a series of tweets:

Boykin is survived by 9-year-old daughter Isis Rae Boykin.