Suggestions by @user_36783

Timothée Chalamet

as Leo Valdez in Riordanverse

Score: -1

Jacob Tremblay

as Percy Jackson in Riordanverse

Score: +1

Jorge Benito

as Percy Jackson in Riordanverse

Score: +1

Julian Hilliard

as Percy in Percy Jackson and The Olympians

Score: 0

Tyler Crumley

as Percy in Percy Jackson and The Olympians

Score: +1

Jackson Robert Scott

as Percy in Percy Jackson and The Olympians

Score: +2

Jacob Tremblay

as Percy in Percy Jackson and The Olympians

Score: +2

Jett Klyne

as Young Leo Valdez in Riordanverse

Score: +1

Julian Hilliard

as Harley in Riordanverse

Score: -1

Jett Klyne

as Harley in Riordanverse

Score: -2

Thomas Brodie-Sangster

as Peter Pan in Peter Pan

Score: +1

Zach Timson

as Cecil Markowitz in Riordanverse

Score: +1

Zach Timson

as Nico Di Angelo in Riordanverse

Score: -2

Zach Timson

as Connor Stoll in Riordanverse

Score: +1

Zach Timson

as Leo Valdez in Riordanverse

Score: -2

Cole Sprouse

as Boy Alex Fierro in Riordanverse

Score: +1

Tony Revolori

as Boy Alex Fierro in Riordanverse

Score: -1

Finn Wolfhard

as Boy Alex Fierro in Riordanverse

Score: +2

André Luiz Frambach

as Connor Stoll in Riordanverse

Score: +1

Caio Manhente

as Connor Stoll in Riordanverse

Score: +1