I've been obsessed with Pajama Sam lately, and even have him as my phone theme! There's barely any videos or posts talking about the game even though it is widely popular (mainly because it's mostly gameplay and barely any actual discussion). Here, I've compiled everything Pajama Sam related whether it's merch, fanmade medias, music, or the game itself. There's a lot to be discussed, and I just hope people and my favourite content creators talk about it and make videos or posts relating to it!

While I can't exactly answer the last question, Sam is a mint-teal six-year-old blue boy who sports a one-piece pajama and a red cape that he wears when he has to use his alter ego : Pajama Sam!

I feel like this info that was taken from the old official Humongous Entertainment website says it best :
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(I actually don't know what happened to the gif that was supposed to be there but it's gone now. Luckily I saved the gif in advance).