I guess so. I'm not really sure Gogo gets all that much more screentime-- the fight/conversation between The Bride and Vernita at the beginning lasts a good 10 minutes I know Gogo's fight is pretty brief (but incredibly awesome) and she gets that little vignette beforehand but still.
It's close, anyway! They're both pretty minor! And I'd probably rate her over The Bride (maybe) and O-Ren (definitely) too so yeah the point of "I can relate to liking minor characters a lot" stands.
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No problem!
This is a cute and pop genocide of love!