Mr. Morris

Mr. Morris is the former janitor for Lakewood Elementary School. In "April 9th", the school was damaged by a fire and Mr. Morris broke his leg. Because of his leg, he retired and moved to New Mexico, onto his daughter's ranch. Though he moved in Season 7, he made a couple of non-speaking appearances in episodes like "Francine's Pilfered Paper." In the Postcards from Buster episode "Alien Adventure" he appears when Buster visits Roswell, New Mexico. He appears in a flashback in the Postcards from Buster episode "Coming Together". The flashback reused a part of "April 9th," when Buster goes to visit him in the hospital.

In "Strangers on a Train," Mr. Morris is seen in a green uniform, appearing to be working as a janitor for the train station, implying that he worked there at some point.

It is said that he used to be a dog groomer, he can speak Portuguese, and he likes to play his accordion named Beatrice.

Friends

 * Buster: Mr. Morris is friends with Buster. They have many things in common, including that they both believe that aliens exist and they both have asthma.

Arthur

 * 10602. "Arthur Accused!"
 * 12002. "The Half-Baked Sale"
 * 21902. "Finders Key-pers"
 * 30601. "Binky Rules"
 * 40501. "The Blizzard"
 * 40702. "To Beat or Not to Beat" (cameo)
 * 60301. "Prunella's Special Edition" (cameo in fantasy)
 * 60402. "Brother, Can You Spare a Clarinet?" (cameo)
 * 71000. "April 9th"
 * 80501. "Vomitrocious" (cameo)
 * 91002. "Breezy Listening Blues" (cameo in fantasy)
 * 100501. "D.W. Aims High" (cameo)
 * 110502. "Strangers on a Train" (cameo)
 * 110801. "Francine's Pilfered Paper" (cameo)
 * 130501. "MacFrensky"
 * 130902. "The Pride of Lakewood" (cameo)
 * 140802. "All the Rage" (cameo)
 * 190501. "Buster Isn't Buying It"

Specials

 * Arthur's Perfect Christmas

Postcards from Buster

 * 136. "Alien Adventure"
 * 137. "Coming Together" (flashback)