Lester is one of Stanley's friends in Stanley. He even slept over at Stanley's house in "Gorilla Sleepover".
In the episode "Double-Duty Dad", he thinks it is weird that out of all of the kids in his class, Stanley is taken care of and taken to and from school by his father instead of his mother, who is the one going to work.
According to "Little Dog Lost", Lester is Jewish and celebrates Hanukkah.
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