I'm another who found Legally Blonde completely unfunny. They stole most of the jokes from the movie and reworded them in a way that took away the humor, or maybe it was because I had already heard them (like changing Cameron Diaz buying an angora sweater to Beyonce buying a tangerine sweater). When they were original lines, they were just blatant references to pop culture that were supposed to be funny because, hey, I know what Match.com is! Let's also not forget the funny foreign names, or lesbian jokes.
And, yeah, I agree that LBB's Elle just lacked charm, charisma, and, honestly, she also didn't come across as too intelligent. But that was also partially the book's fault. But I'll stop there, as I'm sure most of you are already familiar with my huge, huge issues with the musical's book.
Anyway, the other musical that comes to mind for me is Aida. I thought the joke-filled book took away from the serious storyline. I'm not saying that the musical had to be 100% drama, but a lot of times it felt like they were trying too hard.
Jimmy, what are you doing here in the middle of the night? It's almost 9 PM!