The TMNT have some of the best characters in pop culture, and this fifth collection features Mondo Gecko, Alopex, Slash, and Dark Leo! In these stories from throughout TMNT history, see the characters develop from their early roots to their present-day incarnations. Delve into issues from TMNT Adventures and IDW''s 2011 ongoing series. Uncover the history behind Alopex, once a foe and now a friend; hang with everybody's favorite skater lizard, Mondo Gecko; get to know the tragic figure of Slash; and see what happens to Leonardo when he submits to the darker side of his character! Includes issues by Tom Waltz, Dean Clarrain, Brian Lynch, Sophie Campbell, Juni Ba, Andy Kuhn, Mateus Santolouco, Dave Wachter, and more.