A character fromRe:Zero Kara Hajimeru Isekai Seikatsuand thebutlerofCrusch Karsten. He is anold manwho hasblue eyesandmedium-lengthgrey hairstylized in alow ponytailand hasfacial hair. He usually wears ablackhair bow,blackblazer,frilledwhitecollared shirt,black bowtie,black pants, andblack footwear. When he was young he hadbrown hairand his deceased wife isTheresia van Astrea. His grandson isReinhard van Astrea.