Birth Name: Joel Thomas Zimmerman

Place of Birth: Niagara Falls, Ontario, Canada

Date of Birth: January 5, 1981

Ethnicity: German, Swiss-German, English, possibly Irish

Deadmau5 is a Canadian electronic music producer and DJ. He is also known as Halcyon441, Karma K, and Testpilot.

His father worked at a General Motors plant and his mother is a visual artist.

Deadmau5’s paternal grandfather is Ralph F. Zimmerman (the son of Oran/Orland/Orren/Orin/Orly Wesley Zimmerman and Macie Belle/Belle Ferris). Oran was the son of Samuel Zimmerman and Priscilla Barnhart. Macie was the daughter of Nelson H. Ferris and Lydia Wilson.

Deadmau5’s paternal grandmother was named Mary Beatrice Healey.

Deadmau5’s maternal grandfather is named Don Johnson.

Sources: Genealogy of Deadmau5 (focusing on his father’s side) –

Genealogy of Deadmau5’s paternal grandfather, Ralph F. Zimmerman –