Because Lugosi never learned to drive he got around Hollywood on rollerskates.
Vampira, in which she describes her first meeting with him: “I was a young girl window-shopping on Hollywood Boulevard. I was bending low to see the detail of some shoes and someone whizzed around the corner on rollerskates, almost bumped my fanny and crashed into me. ‘Pardon me,’ said he, and ‘Pardon me,’ said I. He was wearing an Ascot cravat and a beret. It was Bela Lugosi on rollerskates. He was on his way to a cigar store.”