"The Q-Beart is an odd Bear-like creature that roams the forests zone of Shroomlandia. Using their funnel-shaped mouths they are known to shoot boulders at anything they consider to be a threat or possible food. Q-Bearts come in a Blue or Red variety but all have the easily recognizable white face pattern." - Felix Farflecodsworth, Shroomling Historian and Biologist.
This creature was basically a mix of the weird blue and red things in The Legend of Zelda that shoot stuff at you and the main character from the way old video game Q-Bert. Yeah... that's a weird combo.