Logan Austin Thirtyacre (born November 17, 1994), better known online as SML (abbreviation of SuperMarioLogan), is an American YouTuber who is well known for making videos by using puppets.
Two 9-year-old step brothers attempt to brighten up their summer vacation by pulling off unbelievable and outlandish plans, while their 15-year-old sister tries to catch them in the act. Meanwhile, their pet platypus is a secret agent sent to stop the evil plans of a mad scientist.
