Does anyone else think Bibi is an unnecessary character?

Yes, I agree. She was probably nothing more than a comic relief, kind of like what Miss Goodnight was in "The Man With The Golden Gun".

But doesn't Bibi look a lot like Alyson Hannigan? I always thought so.

Maybe, just once, someone will call me 'Sir' without adding, 'You're making a scene.'

Its good to show that Bond is not a pedophile!

Because Moore looked considerably young for his age. His age and Bond's age probably aren't the same. The character Kristatos was probably older than Bond, purely because Julian Glover looked older.

Wow! She played it out very well!

Bibi got a lot of screen time for such a minor character, but she had a few reasons to be in the film:

1. Her gymnastic talents were a smoke-screen for the villain's true interests.
2. Her training at the Italian ski resort set the exotic location of the film.
3. It was hinted that she was under age, so this showed Bond had some morals about who he would and wouldn't sleep with.
4. The awkward exchanges they had when she would flirt with Bond acted as comedy relief.
5. She was nice eye candy for the viewer.

Agree. She annoys the crap out of me; Lynn Holly Johnson just can't pull off those awkward, clumsy lines.

Nah, no one will ever be worse than Stacey Sutton (Tanya Roberts) from A View to a Kill (with Lupe from Licence to Kill a close second). At least Bibi's scenes were semi-amusing up to a point. Hell, even Stacey screeching "JAMES!" was like nails on a chalkboard. And at least Bibi had the guts to knock the gun out of Krieger's hand before he shot Bond.

Melina was definitely one of the best Bond girls, no question.

---
Nothing more reassuring than knowing the world is crazier than you are.-"Thor: The Dark World"