Recently we asked you to send us your pictures of your grandparents acting cool in their younger days, and you certainly didn't disappoint us. Now we're bringing you more examples of your grandparents being super smooth in their heyday. From grandmas chilling with Ernest Hemingway and modeling Volvos in the 1950s to grandfathers sledding through Antarctica, pulling off motorbike stunts, and even playing with their pet polar bears, this list, compiled by Bored Panda, will make you wonder just what on earth you're doing with your life. Don't forget to vote for the coolest character!