Science fiction writers in the 1950s and the 1960s made extraterrestrials fashionable. Even today, a majority of the people, who opt of alien tattoos, regard them as ‘cool’. Most of the times, people with an interest in science fiction literature go for alien tattoos. Another commonly cited reason is that sometimes people feel as though they can connect with the extraterrestrials and alien tattoos would help them do that. Alien tattoos include some of the most uncommon designs; after all alien are involved in it!