Just bought my first Amp! A Vox AC15. What should be my first fuzz pedal?

I’ve heard that AC15’s can be a little picky with fuzz. I know almost nothing about pedals, but I want to use this amp (with my Jmascis Jazzmaster) to make post punk, shoegaze, and some 90’s grungy type stuff)

I was thinking either a Keeley Fuzzbender or Big Muff op or maybe Big muff rams head. Do those sound alike at all or are they pretty different? My first choice would be one of the big muffs, always wanted one. But I’ve heard people complain they don’t sound good with Vox’s.

Anyone hear have experience with Fuzz on a Vox? Any recommendations?