The cuckoo clock gag would appear in the Flintstones episode "A Haunted House is Not a Home", albeit a bit differently. Both shorts are Hannah Barbera productions.
One of Eiichirô Oda's favorite Tom and Jerry cartoons and the one that inspired him to make Luffy's Gear Three attack.
Irven Spence is wrongly listed as Irvin Spence.
Working titles for this particular cartoon included "City Cousin" and "Muscles Mouse" before settling for "Jerry's Cousin".
The cat gang concept would reappear (in a friendlier version) a decade later in the Hanna-Barbera series "Top Cat."