Hellsing
ヘルシング (original)
The vampire Alucard and his servant Seras Victoria protect the British Empire from ghouls and satanic freaks. Together, they haunt the shadows as a sinister force of good - and tonight the streets of England shall flow with the blood of their evil prey.
It's a animation and action & adventure show, and has a rating of 7.7 out of 10 from Imdb which is usually fine for this kind of show.
Watch it here
Not found streaming from Canada.