(Although, speaking as a Whovian pervert myself, I'm pretty sure that the Venn diagram of those two categories would simply show their intersection as a single circle)

Visitors to the Hentai Foundry user page for CattHouse Studios artist Oni might find the following NSFW image to be of interest:

"It's no substitute for your Sonic Screwdriver, Doctah ..."

Believe it or not, I actually didn't commission this one.