What is Arthur's last name?

Arthur's last name is Read.

Arthur Read is the central character of Marc Brown's book series and the PBS animated television series Arthur. He is an eight-year-old anthropomorphic aardvark who lives with his family in the fictional Elwood City.

The surname Read applies to Arthur and his immediate family, including his parents David and Jane, younger sister D.W., and baby sister Kate. A common mix-up is confusing Arthur's surname with those of his friends, such as Buster Baxter, Muffy Crosswire, or Francine Frensky.

The character first appeared in Brown's 1976 book Arthur's Nose, while the television series premiered in 1996. In the show, Arthur is a third-grade student at Lakewood Elementary School and is known for his glasses, curiosity, love of reading, and everyday adventures with friends and family.