John Seward

John Seward is a character from the novel, Dracula. In the Hellsing manga he made a cameo along with Quincey Morris and Arthur Holmwood.

Hellsing
He was present when Abraham defeated Dracula. However, it is unknown what happened to him afterwards.

Later on, he and the others, including Abraham was mentioned by Dracula, now Alucard, during his fight with Alexander Anderson.