Joel Thomas Zimmerman, known under deadmau5, is a Canadian progressive house music producer. He is friends with Zedd.
- Zedd supported deadmau5 during select shows on his Meowingtons Hax Tour.
- On May 16, 2012, Zedd posted a collage of eight images making puns of his own stage name. One of the names was "Zedd Mau5", a wordplay on "deadmau5".
- On October 13, 2012, deadmau5 gave Zedd a tattoo.
- Deadmau5 interviewed Zedd in 2013 as part of a YouTube video series.