Jeffy is one of the main protagonists of SuperMarioLogan. He is Nancy and Jaques Pierre François' biological son and Mario and Rosalina's adoptive son.
Despite being a protagonist, Jeffy also has done antagonistic acts.
Trivia[]
- It was revealed that Jeffy is born on the 21st of August however Logan didn't confirm what year he was born in and he didn't confirm what month or date of month he was born in until Jeffy's Parents was made on YouTube.