Talk:Christmas 2017 Event/@comment-50.126.137.0-20171219215728

I don't think Merlin's name means that he's a sheep's brother, its that he's an "oniichan" who is a sheep. "Oniichan" is in quotes cuz it can also just refer a young man when called by children, which I think is the case here. I guess you could translate it as "sheep brother."