Just a lil bit of background info.
Vancl.com - founded by a china serial e-commerce entrepreneur, Chen Nian. The same guy who founded Joyo China which being bought out by Amazon in 2004. Vancl is now china largest online-only fashion etailer, processing more than 30,000 orders per day (yes, per day) with total shipment in excess of 100,000 clothing pieces.
FlyingMouse365.com - founded by a young Malaysian Talent - Mr Chow Hon Lam, find his path to fame in Threadless.com. Widely recognized as one of the most successful designer with most T-shirt Design printed by Threadless.com to date!
Now, you be the judge, who's copying who? (on the right is vancl.com's version)
Or is it just plain coincident?