It's always funny1 when a US animated show has a few characters that are [non-Generic White ethnicity], two of those characters are related and are having a conversation in [Not English]... but one of them isn't in the full runtime of the show, so for that one they actually hired someone that's a native speaker of the language, and the other one is just a Random2 American Guy who absolutely mangles the phonetic lines he's reading.
1: or sad. Yeah, I'm gonna go with sad. I might even say pathetic.
2: Almost Definitely White.