What is Grogar supposed to be?

Markiz93
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As far as I know, G1 Grogar was a ram sorcerer, but what about the G4 one?
 
This Grogar has different horns than the G1 one (that was clearly ram horns). G4 have horns similar to nubian ibex:  
full
 
Also there was one Chrysalis quote in The ending of the end:  
“Let’s try the spell before Grogar gets back. I’m sick of waiting for that old goat’s master plan”.
 
Yet the MLP wiki called him ram and TV Tropes called him ram, byt Villains wiki called the G4 one goat.
 
What do you think?
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