This brings up more questions than answers. How do you even her name?

Did you actually meet her?

@Background Pony #3C2F  

 
well maybewe dont liek this garbage

This sort of thing reminds me of how whenever someone in the FMA fandom makes a Nina Tucker joke, everyone around them reacts with the most abject and potent disgust.

That’s a filly skull.

@Background Pony #811D  
Is not Possible! Why? She be a baby were pear butter and bright mac a start to be miss! plus mlp will not put cozy as murder of aj parent! plus this skull is more older and is a fake! do you really think equestria will let skull of dead pony be on the ground? no! if she a fond a real skull is mean is come from a dead pony over 100 a 1000 years ago! is mean this skull is need to in a musium! do you really think her parent will let her have skull if be real? no! cozy is too young to be the killing of somepony! a aduil pony is too strong! and if is she a kill somepony is not the parent of aj, why? the skull is too smale! the skull of a mare and stallion is biger a filly and a colt! so if cozy a kill somepony is a filly or a colt! if you dont belive me, look the size of this skull and the size of head of cozy and look the size of a mare and stallion compare to a filly and colt!

Cozy glow murdered aj’s mom?! If soI didn’t see that coming

It could belongs to AJ’s father.

oof

Savage AF

It’s dark bro

Nice one

@greenleafy  
Midget possibly.

@Background Pony #0BFA  
I was literally about to say the same thing.

@Dirty Bit @Background Pony #545E
 
The acid was a bit more potent on that one unfortunately.

Who else ya got in there?  

@Background Pony #545E
 
Bright Mac wasn’t worth her time, it seems

If that’s the mom, where’s the dad?

I’ll destroy her

@greenleafy  
Not if we use the Baby Doll approach.

Imaging, if there’s an episode where she explain to Applejack how she kill her.

cozy glow was the murderer all along! . . . . that might bring some questions about how old she is then.

@Background Pony #545E  
And if she killed my mother, I will not hesitate to tear her limb from limb!

Ohhhh, too soon! :D

@Background Pony #545E  
Yep.