Listening to the new episode of Cerebro and Sebastian from The Little Mermaid came up.
So, Sebastian has a Jamaican accent. In the movie he sings Under The Sea by himself.
But in Kingdom Hearts II, it's performed by Sebastian with Ariel and Sora. And there's a line near the end of the song
That's why it's hotter
Under the water
Which rhymes in the original. But in the Kingdom Hearts II version it does not, because the first line is by Sora who does not bother hitting those Ts, but Ariel does