Not in any way comprehensive or necessarily accurate.

Holmes-related:

• General
• Sherlock
• Russian Sherlock Holmes
• The 50s series with Ron Howard and Howard Marion Crawford
• Sherlock Holmes in the 22nd Century
• Eille Norwood’s 20s silent films
• General shippy things

Other fandoms

• Raffles-related: General, shippy, things involving Bunny (may occasionally frequently contain actual rabbits)
• J.R.R. Tolkien: General, that ship with the elf and the dwarf, the elf, the dwarf, the three stooges hunters, the Hobbit, the balrog slayer
• My Little Pony: General, ponies dressed like Holmeses