12 Highly-Respected Icons Who Didn't Exactly Go Out on Top

As we all know, retirement is kind of a tricky thing. It's a time to reflect on a life of accomplishments and to look forward to a new chapter of life... or just to finally go "Hell yes I'm done," and put your feet up. But anyway, for some people, retirement is as elusive as a unicorn, as they just can't seem to stay away from their beloved career or craft... even when they stick around past their prime and end up ruining their rep. This list is a tribute to, slash cautionary tale about, those who just couldn't resist the temptation to keep going, even when it cost them. 

From Muhammad Ali, who couldn't resist the chance to fight one last time, to Marlon Brando, whose bad attitude towards producers and directors ended up hurting his reputation, these people kept going despite the risks. We've got those, and plenty more, in this list.