Mr. Smith
Martha (left) and Mr. Smith (right)
Physical appearance
Gender: Male
Color: Faded blue and dark blue
Eye color: Black
Classification: Fish
Parents: Martha Smith (mother)
Series information
Appearance: "SpongeBob LongPants"
Portrayer: Sirena Irwin
List of characters

Mr. Smith[1] is a light blue child fish who first appeared in the episode "SpongeBob LongPants."


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


Mr. Smith is shown when SpongeBob just got his longpants and has entered the Krusty Krab and everyone was looking at SpongeBob because of his longpants. He pointed at him and asks his mother, Martha, "Is that my daddy?" and Martha says the line, "I wish." and stares at SpongeBob more.



  1. ^ Martha Smith's last name

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