Is voice training through mimicry effective?

Hi all, so I'm still a complete beginner at voice training and have only been going at it for a week. I've already watched and read some theory a few months back, mostly involving size and pitch. I feel like a good start for me is to just kinda experiment and play around with my voice without thinking too hard about it.

On that note, can anyone recommend some fem-leaning androgynous voices for me to mimic? My specific goal is to to try and find voices that I like and work from there, trying to imitate them.