>> he founded groupon and launched a conference attended by big thinkers, sberp nurs and leaders. >> he said i'm going to start it. it is called chicago ideas week. who's in? hebrew is a graffiti artist who grew up on the south side and rose to sbaubl acclaim. >> i will add the moon and hebrew message for the day. it's a character that i have created called the fly boy. it comes from the tuskegee airmen. tuskegee airmen were a platoon of african-american soldiers and pilots in world war ii. there aren't many characters in popular cartoons, comics, et cetera that are african-american, latin of any color. to give us identity.