Lula sounds a little clumsy. Of course, there are worse names, but this one is pretty insubstantial.
Nevertheless, I don't mind it on a fictional character; in fact, I kind of like it.
“Dear optimist, pessimist, and realist – while you guys were busy arguing about the glass of wine, I drank it! Sincerely, the opportunist!”
-Lori Greiner