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It's not. As long as you don't use their real information it isn't identity theft.
I wasn't thinking about identity theft.
But there's still the issue of setting up a fraudulent account set up specifically to commit fraud...
Using someone's picture without their explicit consent is to the best of my knowledge also illegal (atleast it is definately illegal where i live)
Plenty of civil lawsuit possibilities from gofundme (loss of reputation, probably a dozen or so terms of use, ...)
Plenty of civil lawsuit possibilities for the girl's pics you used
These are just a few i could make up while typing...
Not saying it wouldn't be a cool scam and all but if you get caught, my best guess is you're pretty screwed