Welcome to the DC Comics Art Academy, a series of art tutorials recorded at Comic-Cons throughout 2015 and featuring many of the gifted and unique artists working for DC today. In today's installment, colorist extraordinaire Alex Sinclair shows us how helps finish the work of artists like Jim Lee, Andy Kubert, Ivan Reis and more. How long does it take him to color a page? Which artist's work is the most challenging to color? How did video gaming help him become a more efficient colorist?