B.O.B.'s sister

Unnamed
General information
Gender	Female
Relatives	B.O.B. (brother) B.O.B.'s mother (mother)
Appearances
Feature film	B.O.B.'s Big Break (mentioned)
[Source]

B.O.B. allegedly has a sister, quite possibly a tomato. Whether he actually has one is unknown, as he is prone to accidentally making fictitious stories, along with the fact that he is a mutated blob.

Biography

In B.O.B.'s Big Break

When B.O.B. is excited planning his birthday, he says that they can annoy his sister.