The Alien is the main antagonist of The Alien!. He appeared as a UFO who had captured Hansel and probed him. He went after Bowser Junior, Cody, and Joseph after Bowser Junior met the homeless man. His species loves hotdogs, live on the sun and a planet called Zablorbenclocken, wear crocs, and capture and probe people for fun
According to some fans, his voice resembles that of Gollum from the Lord of the Rings film series, as well as Stitch from the Lilo & Stitch franchise.
In Rosalina's Parents!, it is revealed that he and his wife are the adopted parents of Rosalina mentioned that Jeffy is their grandson, although this isn't true.
He, along with his wife, they are one of YouTuber Kushowa's favorite SML Characters.
Whenever the Alien's wife puts her feet in her mouth, he always screams "GET YOUR FEET OUT OF YOUR MOUTH!"
The Alien says he can destroy planets by himself, which means that he his the most powerful character on the rankings.
The alien may not appear in anymore SML videos because his voice Anthony is no longer an SML crew member. However, Logan may find someone to replace him. However, he returned in The Monster!.