@LHG100 That sounds fucking cool as shit... o-o;
Also, if there's a problem with my potty mouth, lemme know. I'll filter.
She could also bring along instruments and such to create sounds for her to manipulate.
"Watch, I can run so fast, that sounds come out of this sax. HAHA!"
Or... "I needed a loud noise. So, I brought a pan and a spoon. Everyone knows pans are like the best makeshift drums ever."
-proceeds to bang on the pan excessively-
Though, that might get a little weird. She could also create 'sound darts.' Like, she can start running and then whistle a sound that, depending on how she moves her head and lips, acts like a dart and can go for enemies as she passes them. And I quite like the name Sonic Boom.
"Though... Just don't call me Sanic. And go forbid, if you play that dumbass song, I'll mute it so fast."
OH... She could 'mute' people. Altering the sound waves that come out of their mouths to cancel them so that they can't talk. I'm liking this....