Let's find out. ;)

First the real animatronics!

Diagnostic result

Freddy is 88% sin.

Diagnostic result

Bonnie is 666% sin

(Wait a minute... If Bonnie's sin level is 666%, then... *long gasp* OMG, Bonnie's a descendant from hell!! That explains his red eyes!!)

Diagnostic result

Chica is 1337% sin

(Whoa, Chica! What have you been up to? O_O)

Diagnostic result

Foxy is 48% sin

Diagnostic result

Golden Freddy is 1% sin

(And the final verdict is... Golden Freddy is the most innocent one out of the whole gang! And Chica is the most sinful one!)

Now let's move on to the toy animatronics!

Diagnostic result

Toy Freddy is 6969% sin

Diagnostic result

Toy Bonnie is 99% sin

Diagnostic result

Toy Chica is 666% sin.

(Oh my god! Chirp is a descendant from hell too!!)

Diagnostic result

Mangle is 6969% sin.

(Same number as Toy Freddy.)

Diagnostic result

Marionette is Satan.

(Oh my god! I've found him! I found Satan! He's in the Marionette's body!! AAAAAHHHH!!)

Diagnostic result

Balloon Boy is 77% sin.

(Out of all the toy animatronics, Balloon Boy is the most innocent one. And Marionette is freaking Satan! Oh my god!!)

(Okay, now to the phantoms.)

Diagnostic result

Springtrap is 101% sin.

Diagnostic result

Phantom Freddy is 666% sin

Diagnostic result

Phantom Chica is 1% sin

Diagnostic result

Phantom Foxy is 95% sin

Diagnostic result

Phantom Mangle is 50%

Diagnostic result

Phantom Marionette is 6969% sin

Diagnostic result

Phantom Balloon Boy is 2% sin

(Out of all the phantom animatronics, Phantom Chica is the most innocent one out of the group. And Phantom Marionette has downgraded to his high sin status. Well, at least he's not Satan anymore.)

(Now, let's do the Nightmare animatronics.)

Diagnostic result

Nightmare Freddy is 101% sin.

Diagnostic result

Nightmare Bonnie is 50% sin.

Diagnostic result

Nightmare Chica is 3% sin.

Diagnostic result

Nightmare Foxy is 35% sin.

Diagnostic result

Nightmare Fredbear is 74% sin.

Diagnostic result

Plushtrap is 100% sin.

Diagnostic result

Nightmare is 48% sin.

Diagnostic result

Nightmare Balloon Boy is 99% sin.

Diagnostic result

Nightmare Mangle is 14% sin.

Diagnostic result

Nightmarionne is 2% sin.

(Out of all the Nightmare animatronics, Nightmarionne is the most innocent one out of the bunch. And Nightmare Freddy is the most sinful one.)

(And finally, let's do the guards!)

Diagnostic result

Mike is 92% sin.

Diagnostic result

Jeremy is 101% sin.

(Ohohoho! Jeremy is more naughty than Mikey! *insert Lenny face here*)

Diagnostic result

Fritz is 332% sin.

(Oh damn! Fritz, what have you been up to?!)

Diagnostic result

Scott is 3% sin.

(Okay, Scott is innocent so far.)

Diagnostic result

Vincent is all sins combined.

(Oh damn, Vinny!!)

Diagnostic result

Kevin is 1% sin.

(Okay. Kevin's the innocent one.)

Diagnostic result

Anthony is 228% sin.

(Ohohohoho! Anthony's gotten into some hardcore stuff right there!)

(Out of all the guards, Kevin's the innocent one. Vincent obviously wins because he's all sins combined.)

BONUS

Diagnostic result

Aaron is 99% sin.

Diagnostic result

Sebastian is 88% sin.

Diagnostic result

Qasper is 92% sin.

Diagnostic result

Aiden is 3% sin.

Diagnostic result

Nigel is 3% sin.

Diagnostic result

Missy is 2% sin.