Chin

Long emotional abuse over his chin may have made Sentinel the jerk he is today. Or he was just built that way.

Forget Mudflap's jaw. Check out the asteroid sized chin on sarge.

YOU GOT A COMMENT, FUNNY BOT?Bumblebee and Sentinel Minor, Autoboot Camp

A chin is the lowest part of the jaw on creatures with mouths. Transformers have had chins since as long as they've had faces. Why is something of a mystery, since Transformers do not technically need mouths (and some don't have one). One must also ask why certain bots have such large chins when they don't actually need them. Humanization? Experiences with mammalian lifeforms? Required for socially acceptable stroking when deep in thought and/or plotting? Only Primus knows the truth.

Notes

According to Derrick J. Wyatt, Season 3 of Transformers Animated will have more chins than ever before. <a href="http://derrickjwyatt.blogspot.com/2008/10/tfa-s3-chin-on.html" class="external autonumber" title="http://derrickjwyatt.blogspot.com/2008/10/tfa-s3-chin-on.html" rel="nofollow">[1]</a> And thus, the collective fandom saw it was good, for Animated is truly the refuge of fugitive chins everywhere.