Two legends of 20th century comedy, Denver’s hometown TV heroes, a cavalcade of Colorado comics and more are playing Colorado this month. Here are our picks for the best of the best. All shows are 21 and up unless noted. The Grawlix While they’re still holding their monthly stand-up showcases at the Bug Theatre (the next one is June 29), the Denver-bred trio of Adam Cayton-Holland, Andrew Orvedahl and Ben Roy have a bit more time on their hands following the recent cancellation of their truTV sitcom, “Those Who Can’t,” after three seasons.