How Old Is Itachi Uchiha in Fairy Tail?
It's a common misconception, but Itachi Uchiha, the legendary shinobi with the Mangekyo Sharingan, isn't actually a character in Fairy Tail. While both Naruto (Itachi's universe) and Fairy Tail are beloved anime and manga series, their worlds and characters are entirely separate. So, to directly answer the core of your question: Itachi Uchiha does not exist in Fairy Tail, and therefore, he has no age within that series. However, the intrigue around Itachi's age is completely valid when we talk about his actual series, Naruto!...