[1] According to L'Heureux, he models his playing style after agitators such as Brad Marchand and Matthew Tkachuk.

[4] In a short period of time, L'Heureux quickly established himself as a fan favorite in Nashville.

On November 17, 2024, L'Heureux scored his first career NHL goal against the Vancouver Canucks goalie Kevin Lankinen.

[13] In 2023 he told a news outlet that he was working to avoid disciplinary action,[14] but was later suspended twice in the following season by the AHL.

[10][11] Not including his 2025 suspension from the NHL, he had been suspended a total of 11 times, resulting in him missing 39 games.