While Patrick Seitz is a well-known voice actor with a large range of roles, he isn't typically associated with famous cartoon actors. He's best known for his work in anime and video games, with roles like:
* Muzan Kibutsuji in Demon Slayer: Kimetsu no Yaiba
* Noctis Lucis Caelum in Final Fantasy XV
* Aizen Sosuke in Bleach
However, he's also done voice work for Western animation, such as:
* Anya Stroud in Borderlands 3
* Soren in Dragon Prince
Therefore, while Patrick Seitz isn't a "famous cartoon actor" in the traditional sense, he is a highly respected voice actor with a significant presence in both animation and video game industries.