Can I use the ue4 mannequin for official games and get paid legally?

Can I use the ue4 mannequin for official games and get paid legally?

You can use the mannequin, but you should remove trademark markings.

Ok like the ue4 thing on its chest?

Yes, that’s correct

What about the animation blueprint with the stock animations that they have?

You may use Epic stock animations in a commercial game, but distribution to end users can only be in object code format as baked into an executable.