What doz "bewieve" mean?

Does dat mean do I know him? Wike him? What's not to bewieve for goodness sake?

I mean, da man is cwlearly weal and goes to all da malls and stuff, and eben da Petco. And he's in wots of story books, and he fiwled my stocking last year, and he says "Ho, Ho, Ho", and, and, and...I habve to go lay down I'm so 'cited!
Wuv,
Me, Zoe
(*Yes, we celebrate Christmas here and LOVE it. Gingergirl jammies...we'd LOVE 'em! Hope it's us!)