N. Unofficial name

This page contains information on a subject that does not yet have an official name. Once an official name is given to the subject or character, this template can be removed.


Mr. Smith[1] is a child fish who appears in the episode "SpongeBob LongPants." He is Martha Smith's son.


Mr. Smith is a faded-blue child fish who has dark blue fins and wears a light yellow shirt and a red cap.

Role in episode

Mr. Smith is shown when SpongeBob just got his long pants and has entered the Krusty Krab. Everyone looks at SpongeBob because of his long pants and Mr. Smith points at him and asks his mother if SpongeBob is his father. Martha says replies, "I wish" and stares at SpongeBob more.



  1. ^ Martha Smith's last name