I recently lost my only guinea pig Shadow at age 7 approximately. He was mostly black with some white at the neck and he was the sweetest (and also poopiest) guinea pig ever.

He was definitely a blessing to me and I am glad I had him as a pet and companion. I am still working on a scrapbook album of him so that is a work in progress.
Rest In Peace dear Shadow. Run free in the clouds and be happy.