"Remilia Scarle". Why does it feel like I'm missing something here?

If you look closely you'll the t there, it's really small.

That looks more like a decoration on the "e" (to complement the one on the "S") than a "t", though.

That's because of this: "Carl" (as in Carl Johnson) and Scarle (as in Scarlet, you guessed)... It's just a wordplay. =P