Last season on The Flash, Barry Allen fulfilled his lifelong mission of confronting the man in the yellow suit – only to find out that it was fact his mentor, Harrison Wells (Tom Cavanagh). Well, it was Eobard Thawne disguised as Harrison Wells, but you get the idea. Wells proved to be one of the show’s most intriguing characters, but with the death of the man posing as him, it seemed like that would be the last we would see of the genius scientist.