Polychoron

"'Out of your league bro.'- Polychoron giving Lego a reality check."

Personality
Who knows how many sides HE has. Polychoron says everything in math terms, is quite derpy sometimes and has a ridiculous robot voice.

Appearance
Polychoron is a four dimensional shape with many angles.

Trivia

 * Polychoron's asset was the most difficult to make, according to TacoTurtle.