Actor Armin Shimerman has paid tribute to his former Buffy The Vampire Slayer co-star Robin Sachs following his recent death.

Sachs passed away earlier this month (Feb13) and his death was announced on his official website on Tuesday (05Feb13), his 62nd birthday.

Shimerman has taken to his Twitter.com page to share his grief with followers, writing in a post, "All who knew him, knew how special Robin was."