Also known as: セイレン, セイレン=ウィンザー, ROお絵かき生体セイレン
Lord Knight (Ragnarok Online) of the Bio Lab in Ragnarok Online, and retconned into being Kathryne Keyron's older brother and engaged to Margaretha Sorin. He has short White Hair and Red Eyes. Becomes a Rune Knight (Ragnarok Online) in the Tomb of Honor.
Died first.