I don’t know the name of the artist, but I can tell you this, if I could, this would be front and center in my office. This is my kind of motivational artwork.
Presumably the pic was created by the proprietor of the website listed on it … so if you’re interested, click the pic and it will take you there. And let’s all take a moment to give a virtual high-five to the guy or gal who snagged acme.com and held on to it.
Musings from a Tangled Mind 
Not all heroes wear capes – although sometimes he did…