Gingerbread Man died of natural causes at the age of 80, 5 years after his wife Jessica did. He passed on the title King of Saltu to his son, Jonathan, and G-Man's last words to him were "Don't try to be better than everyone else, be better than you were yesterday."
Candystripe and Murk were killed by a secret Dirkalf pirate cell on a faraway planet while trying to negotiate with them.
Awenasa died in a battle with one of Khala's rogue bots. Yansa found her and Awen died in his arms. The last thing she told him was, "I always thought you were pretty cool."
Buck Rollins died of old age, after 50 years of exterminating robot bugs. Ranger was adopted by the Zoomonger.
Speaking of him, the Zoomonger completed his collection of creatures and lived the rest of his life in luxury - until a loose creature rampaged through his estate and killed him.
Dr. Desolation accidentally teleported into the Ice Age, where he couldn't find any of the materials he needed for his time travel potion. He spent the last few months of his life living primitively.
