Jack Weasel

4th Grade Male Rat is an unnamed fourth grader who debuted sometime during Season 1 of the series. He is a background character and is seen in the background of many places around Elwood City including Lakewood Elementary School.

He spoke only in the episode So Long, Spanky where he was at the pet store that was going to feed the Boa Constrictor. He has been seen with 4th Grade Male Rat (Number 2) many times. He is nice to the kids and he attends the same fourth grade class as Prunella.

He was also in the same kindergarten class as Prunella along with most of the other kids that are now fourth graders who are seen around Lakewood.

Appearance
4th Grade Male Rat is a rat with a light gray complexion. He wears a yellow shirt with blue stripes, blue jeans, and green and white sneakers.

He originally wore a yellow shirt with a single red stripe in the middle, long brown jeans, and red and white sneakers. His skin color was slightly dark brown.

In the episode Buster's Special Delivery he is seen wearing a blue shirt with yellow stripes, and black jeans, and most likely the same green and white colored sneakers. He has a brown Mohawk and has whiskers. As a kindergartner he wore a blue shirt with a red spot in the middle, long khakis, and tanned shoes. He wears a yellow sweater during Autumn (or the Fall).

Trivia

 * This character has had a serious case of identity crises as his skin complexion has changed numerous times throughout the series along with the color of his clothes.
 * This character has also changed ears over the series.