You could check out 'King of the Hill'. Hank Hill is an older man and the cartoon has a lot of funny moments. Also, 'Family Guy' has some older male characters that add to the humor.
There's 'Futurama' where Professor Farnsworth is an elderly character. The show has a unique sci-fi take and his presence adds to the charm. Another option could be 'South Park', which sometimes features older male characters in various storylines.
You could check out 'Up'. It has an old man as the main character and is known for its heartwarming story. The animation and character development are top-notch.
One popular one could be 'The Simpsons' where Homer Simpson can be seen as a sort of old and overweight character.
There's one called 'The Old Blind Man's Adventure' where the character overcomes many challenges. It's quite popular for its heartwarming story.
Another example could be 'Futurama'. There are characters who might have forgetful moments as they age. The show's humor and sci-fi elements make it quite engaging.
Maybe 'The Armed Elder' is a popular one. It shows an old man with guns facing various challenges and fighting for justice. The story has depth and interesting characters.
You could also check out 'Tangled'. While not the main focus, there are some older male characters who add depth to the story. The animation and plot are both great.
One popular one could be 'Golfing Gramps'. It shows the adventures of an old man on the golf course with a lot of humor and heart.
The old cartoons featuring old men tend to have slower-paced stories. They might emphasize life lessons or show how the old man's wisdom helps solve problems. The characters are often drawn with distinct features to make them memorable.
Maybe it's for some kind of comical or absurd effect. Sometimes cartoons use unusual or outrageous situations for laughs.
The cartoons often show them as wise and experienced. They might have a slower pace of life and tell stories from the past.