He announced himself by swimming faster than the man with the most medals of them all. Now Duncan Scott plans to turn his potential into his own Michael Phelps-esque Olympic haul.
The 24-year-old may still be best known at home as the bloke who refused to share a podium with Chinese drug cheat Sun Yang after finishing behind him at the 2019 World Championships.
But he actually made a name for himself back at Rio 2016, when in the 4x200metres freestyle relay he clocked a quicker leg than Phelps, despite Great Britain eventually trailing the USA to claim silver.
Duncan Scott is planning a Michael Phelps-esque Olympic haul at Tokyo 2020 this summer
Former Team USA swimmer Phelps has won the most swimming Olympic medals of all-time
Scott cherishes a photograph of Phelps seeking him out after that race for a congratulatory handshake, and the Olympic legend later described the Brit as a top talent.
'He's someone who I've looked up to