Feliks Zemdegs
Feliks Aleksanders Zemdegs (, ; born 20 December 1995) is an Australian "speed cuber" which means he solves Rubik's Cubes as fast as possible. Zemdegs set a new record in solving the Rubik's Cube with a time of 4.221 seconds. The record was set on May 6, 2018 at a Rubik's Cube contest called Cube for Cambodia.  Zemdegs also set a record time of 4.73 seconds in 2016, but the 2016 record was broken by American Patrick Ponce.