Does anypony have any suggestions for names for Button's Brother? All we really know about him is that he has a pencil stuck to his forehead. He also looks like he is older than Button Mash, and is smirking.

--Sweetie Belle

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I kinda like him being sporty, actually. Maybe Tennis Mash Match?

--Sweetie Belle

Button Crunch? That can be his big brother's or his father's name.

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He could also be studious and organized:

Level Head
Pencil Pusher

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Or Button Pusher? Stuck in a job pushing buttons all day?

--Sweetie Belle

1488025 I've not only got his name figured out, I also created a picture of him:
Here's Commodore

Actually if you watched the animatic, it reveals his brother's name is Gibson

Well if you have't seen it then there you go