Tara Strong — Canadian Actress born on February 12, 1973,

Tara Lyn Strong is a Canadian–American actress who has done work in numerous films and television series, both live-action and animated. Many of her major voice roles include animated series such as Rugrats, The Powerpuff Girls, The Fairly OddParents, Teen Titans and the spin-off series Teen Titans Go!, and My Little Pony: Friendship Is Magic, as well as video games such as Mortal Kombat X, Final Fantasy X-2 and the Batman: Arkham series. Her portrayals have garnered nominations in the Annie Awards and Daytime Emmys, and an award from the Academy of Interactive Arts & Sciences... (wikipedia)

Don't be afraid to look silly.
Whenever you do an animated project or a voice-over project it's inevitable that part of your personality comes into play.
I had to make squirrel noises as Bubbles and without realizing it, I was making the face and putting my fingers up to my face to look like a squirrel and everyone made fun of me for the rest of the day.
Many people think voice over artists just read, there's much more to it. Without acting beats, scene study and improving skills, you won't make it.
I think there are more female characters in videogames now but I also think that's because videogames in general are more diverse now.