She bears a striking resemblance to the actor, and she tweets and blogs too . . . but does Edna actually exist?

Age: That's no question for a lady.

Appearance: Strangely familiar.

"Mrs" as in "the wife of" . . . ? That's what it usually means.

"Stephen Fry" as in that Stephen Fry? Yes, the actor, comedian, writer, TV personality and all-round cleverdick.

The Stephen Fry who used to have a double act with Hugh Laurie? Yes, that Stephen Fry. The one who used to play Jeeves. The one who was in Blackadder. The one who hosts QI. The one who gets excited about iPhones. That bloody Stephen Fry.

The gay Stephen Fry? Jesus, yes! The famous, funny, gadget-obsessed, gay Stephen Fry. "Poor, downtrodden" Edna, as she describes herself, claims to have married Stephen 16 years ago. The couple now have "five, six or possibly seven children". And she is not the only woman Stephen has loved, or at least shared a bed with.

This is amazing! She should start a blog or something. She could even start tweeting, like her husband. Funny you should say that. Edna is on Twitter as @mrsstephenfry, blogs at mrsfrysdiary.blogspot.com and will be publishing a book in October. Mrs Fry's Diary promises to spill the beans on Stephen's secret double life: "the womanising, the window-cleaning, the kebabs, the karaoke". There may even be some of Edna's favourite recipes, like papaya and broccoli cheesecake. "A good diary should be like a good husband," she says. "A constant companion, a source of inspiration and, ideally, bound in leather."

I'm beginning to suspect "Mrs Fry" may not actually exist. You may have a point. Pictures of "Edna" are either computer-generated or bear a striking resemblance to Stephen in a wig. She has never been seen in public. Most conclusively, the Stephen Fry she claims to know plays the vuvuzela.

So who is she? Surely not Stephen himself? If so, he's not letting on. His tweets call her "my darling wife", "my treasure" and "honeybun". He even claims to be embarrassed by the revelations: "Some things should remain sub rosa and matrimonially sacrosanct."

Not to be confused with: NO! We're not starting all that again.