Barf Bag is a paper bag filled with vomit and is a nice, friendly and caring person. She is seen to be caring for other people. She also shows concern for people and is rather selfless. Despite her brain being placed in her vomit, Barf Bag also appears to be rather smart. However, Barf Bag gets easily upset when others, for assuming that she's stupid due to her brain being constantly doused in vomit. Due to this, she believes that no one else will take her serious. She is a female.