- John Fitzsimmons, Easley's Fun Shop
- United States (Phoenix)
The most costume changes in eight hours is 178, and was achieved by John Fitzsimmons and Easley's Fun Shop (both USA) in Phoenix, Arizona, USA, on 18 September 2017.
John’s favourite book as a child was “Guinness World Records,” and he always dreamed of being a record holder. The attempt took 7 hr 25 min 49 sec.