Popular hip-hop personality Reggie “Combat Jack” Ossé has reportedly died. Social media has exploded with condolences to the rap podcaster and music historian.

Various hip-hop artists and entertainers have reacted to the news of Jack’s death.

Back in October, Combat Jack shocked fans by announcing a battle with colon cancer.

In mid-November, CJ went to social media and updated fans on his condition.

Jack is most known for interviewing a slew of major celebrities and hip-hop moguls.

As host of hip-hop’s “undisputed #1 podcast,” Ossé has sat down with the likes of Russell Simmons, Redman, Jeezy, Joe Budden, Common, Scarface, RZA, Angela Rye, Ice Cube, Jemele Hill, Michael Eric Dyson, and many more for a unique dialogue on their “journeys, philosophies and viewpoints.” (Billboard)