Fox News host Bill O'Reilly was perhaps the last person most attendees at President Obama's "My Brother's Keeper" event expected to see.

"You shocked a lot of people," he told White House senior adviser Valerie Jarrett, who appeared with him on Fox Thursday night. "People were fainting when I walked in."

Although the arch conservative supports the president's "very well intentioned" initiative, he believes that if Obama wants to really help young men of color, he's going to have to call on "gangsta rappers" to do their part.

"You are going to have to get people like Jay Z, Kanye West, all of these gangsta rappers, to knock it off. That's number one," he said.

"My Brother's Keeper" will be more effective, he added, if they get young boys and men "where they live." They idolize these guys with the hats on backwards, and the terrible rock, rap lyrics and the drugs and all of that." The rappers should be put on TV and the Internet and "barrage" young people with messages that "make it uncomfortable" for them to have children out of wedlock or sell drugs."

When Jarrett pointed to people like the president and Gen. Colin Powell as two of many great African-American role models, O'Reilly argued that kids on Chicago's South Side have never even heard of Powell.

"It's these gangsta rappers, it's the athletes, it's the tattoo guys. You gotta get them in there and tell these kids that you've got to stop the disruptive behavior or you're going to wind up in a morgue or in prison," O'Reilly said.

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(Photo: The O'Reilly Factor via FOX News)