That's my "kind" AU. When Jekyll drank the potion, it wasn't his bad side that was released, but his good side. I saw a similar scenario in the book. Here, Lenyon swapped places with Hyde, and now he's annoy Jekyll!
Hyde is scientist, and he creating explosives, bombs and smoke bombs.
Sorry for mistakes, I bad in English
Hah, Lanyon tattoo. I made it with watercolor pencils)
I redrawed @pikatik 's book Aziraphale!