From Shotgun Shuffling
Cinnamon Buckingham is Ellie's (slightly) younger twin sister. She has no filter whatsoever between her brain and mouth and is generally rude to everyone she meets ranging from small children, her mother, and guests in her parents home which has led to the enacting of "Cinnamon's Law."
- Cinnamon and Ellie are twins.
- Cinnamon is 18 years old and the sixth Buckingham sister by birth order.
- Cinnamon's hair is naturally Black.
- Cinnamon is the only character normally depicted with dull eyes, lacking both pupils and highlights. Quinn draw attention to this here.
- Cinnamon's birthmark on her cheeks is the letter "U."
- Cinnamon's official sisterhood council designation is "The Dumb One."
- Cinnamon's designated codename for Black Thursday 2013 holiday shopping is "Mr. Reddish Yellow" where she was paired with Mr. Black on "Team Reject."
- As seen in comic Ratchantulas, Cinn requested some ratches from O'Jack's for her Christmas present to keep her tarantula company. The keeping company resulted in the ratchantulas, which Cinn carried in her bag and released on an unsuspecting Black Friday shopping crowd. It was shown in the next comic that she took the opportunity to pick up packages fleeing shoppers had "abandoned."
- Cinnamon and other Shotgun Shuffle characters seem to occasionally post in the comments of various comics. It's unknown who the posters are and it is doubtful that these appearances are considered canon but it adds a level of fun to the overall Shotgun Shuffle experience. Cinnamon's first post in the comments of the comic can be found here and she's posted periodically ever since.
- Cinnamon also has a Google+ page