Sukekiyo Kameyama, who provided voices for such anime as
Castle in the Sky,
Maison Ikkoku,
Urusei Yatsura,
Catnapped!, and
Zatch Bell, passed away on January 26, 2013 due to pneumonia after suffering from malignant lymphoma. He was 58 years old at the time of his passing.
I have published
an obituary for Sukekiyo Kameyama at the Anime site.