In Super Smash Bros, if you set the language to Japanese Mewtwo will speak in full sentences during taunts.

Translation of what she says:

Why am I here?

Foolish.

❄❄❄❄❄❄❄❄❄❄❄❄❄❄❄❄❄❄❄❄❄❄❄

If you set the language to English, however, she just laughs