JoJo's Bizarre Adventures vs Hellsing
Connection:
Both are immortal, near-unkillable vampires
Both respected the humans who have defeated them (Jonathan Joestar to DIO and Abraham Van Helsing to Alucard)
Both changed their names after their defeat (Dio Brando shorted to simply DIO and Alucard's original name was Vlad III Tepes Dracula)
Both can summon allies to their sides in battle (Dio's Stand, The World and Alucard's Familiars mainly Baskerville)
Both control a part of reality (DIO is able to stop time and Alucard becoming Omnipresent)
Both are also known for having a strong relationship with a priest, though in opposite ways (Enrico Pucci and Alexander Anderson respectively)
