"Arrow" star Stephen Amell, who earlier this year had a video of his crazy workout routine go viral, is making waves again thanks to a new fundraising campaign to fight cancer. 

The 33-year-old has partnered with Represent, a new site that allows celebs to crowd-fund merchandise, and the group F---Cancer, to sell an Amell-themed T-shirt. In an interview with The Hollywood Reporter, Amell says he was inspired to get involved by his mother's cancer battle back in 2012.

"My mom was going through chemotherapy in April of 2012 and she and I just took a photo outside of a bar in Toronto when I was visiting. I was just giving the middle finger to the camera — representing 'f— cancer," He said. "At the time, I didn't know there was a charity called F— Cancer. They got in touch via Twitter and we've been working together ever since." 

Since launching the campaign, Amell has sold more than 7,500 T-shirts (crushing his original goal of 500) and raised more than $135,000 for the charity. He's also now less than 1,000 T-shirts away from beating the record set by Will Ferrell and Chad Smith, who earlier sold 8,101 of their "Drum-off" charity shirts

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