In the Super Mario mod Leon Kennedy is seamlessly replaced by the titular plumber, while Luigi steps into the shoes of the character Luis.

Source: https://metro.co.uk/2023/04/12/resident-evil-4-remake-mod-replaces-leon-and-luis-with-mario-and-luigi-18598339/

One of several Survivors now available from the series, Leon Kennedy can be highly disruptive to a Killer's plans.

Source: https://www.cbr.com/dead-by-daylight-best-survivors-ranked/

The story follows U.S. agent Leon Kennedy on a mission to rescue Ashley Graham, the president’s daughter, from the Los Illuminados cult in Spain.

Source: https://trinitonian.com/2023/04/20/resident-evil-4-updates-a-masterpiece/