you know you’ve made it when you google yourself on the internet and this comes up
Source: gublersoup.tumblr.com

I highly suspect he did this himself. Googling "matthew gray gubler pinup" doesn't come close to this.
Why would he google this in the first place, anyway?

EDIT: Finally, found the original source of the picture: pinupmgg.tumblr.com. This tumblr's full of funny awesome. It's, ahem, an interesting perspective!