Hi there,
I’m in 3D for a while now (I started in 1999 with 3d studio 3) and used to work as an environment artist then as a lead artist in the game industry for 13 years. I always wanted to create characters but never really had times. For 5 years now, I reoriented my carrer as a University Teacher and I finally have more time to experiment character modeling.
I would use this post to expose my experiments. Feel free to comment as it’s always welcome to be helped 
My very first attempt in ZBrush in 2010
First heads on my own
ZBrush and Substance experiments
Back to the basics
My Gogo Tomago version
Sometimes, you sculpt as it goes…
