Tesla and SpaceX CEO Elon Musk, who is quite active on Twitter, is often known to share his thoughts about Mars, electric vehicles, and cryptocurrency.However, he is not just restricted to some of these 21st century's biggest revolutions, he can also talk about other things too, like "He is an alien".Recently, a Twitter page called 'Tesla Owners of Silicon Valley' asked Elon Musk whether he is an alien.The Twitter handle shared a short video of Elon Musk from a conference in which someone had asked Musk about the existence of aliens.To which, Musk responded by saying," Aliens exist in Physics and Philosophy".He then added, "Aliens could be among us...some people think I am an alien".After a pause, Musk said "Not True".The ‘Tesla Owners of Silicon Valley’ captioned Musk's video as, "Is Elon Musk an alien?" And, guess what! Musk wrote, "Of Course".Though Musk did not reply to the question of which planet he is from--Mars or Uranus.However, this is not the first time he replied this way to such queries. Earlier in April, Musk gave the same response when a Twitter user had asked him: "Are you an alien?""Obviously," he replied.In February, when Cred founder Kunal Shah asked Musk about tricks to efficiently manage an organisation. At that time also, Musk said that he was an alien.