Beast Boy is a self-proclaimed vegetarian, but he shows the characteristics of a vegan, not eating real eggs or drinking real milk. However, he is seen eating ice-cream.
Beast Boy apparently doesn't wear socks. When Mother Mae-Eye puts Beast Boy's shoes on for him, he has no socks on.
His shoes seem to be put on with Velcro, but it is revealed that there are laces under the Velcro.
Beast Boy is the only male Titan to have his real first name said during the series (Garfield).
Height 5'0" and weighs 150 lbs.
Beast Boy enjoys steam painting in the bathroom. ("Serious Business")
Beast Boy appears to have a fondness for pickles, as shown in Matched and No Power.
It is shown Beast Boy likes burritos such as in Burger vs. Burrito and in Meatball Party where he wants to turn the couch into a Burrito by using Raven's spell book, as well as presenting burritos for the Second Christmas dinner.
In In and Out, Beast Boy's outfit when going by his villain personality "Beast Bob" is an outfit from the New Teen Titans comics.
As of the end of "Head Fruit", Beast Boy no longer has a brain.
Beast Boy is also similar to Rigby from Regular Show.
They are both unintelligent.
They both refuses to their boss; Robin for Beast Boy and Benson for Rigby.
They are both closest to their best friend, Beast Boy along with Cyborg and Mordecai with Rigby.
They both like video games along with their best friend.
They both have a love interest; Raven for Beast Boy and Eileen for Rigby
His birthday may be November 12, as BBB Day!'s premiere date is November.