How about a comic where all the characters are fruits with human personalities? They could have their own dramas and comedies in a fruit world. For example, an apple that's always worried about getting too ripe or a banana that's afraid of being peeled.
One funny idea could be a detective who solves crimes with the help of his clumsy sidekick. Or a school where the teachers are just as mischievous as the students.
You could have a comic about a group of animals with human personalities going on adventures in a magical forest.
You could have comics about talking animals going on adventures. Like a group of friendly bunnies exploring a magical forest.
One idea could be a comic where a character is trying to blend in with camouflage but stands out instead because of some funny mistake. Another could be a competition to see who can create the best camouflage disguise, but it all goes wrong in hilarious ways.
How about making comics based on funny misunderstandings or mix-ups? Like someone thinking they heard one thing but it was actually something completely different and the chaos that ensues.
You could make a comic where a player gets lost in a maze of their own making and has all kinds of funny encounters with strange creatures and odd items.
You could do a comic about animals with human expressions and funny captions as memes. Or have a group of friends in crazy situations with popular meme faces.
You could start by observing kids in real life. Notice their funny expressions, the games they play, or the way they talk. Also, look at popular kids' shows or books for ideas. Combine these elements and put your own twist on them.
One idea could be to create a story about a clumsy magician. The magician tries to perform simple tricks but everything goes wrong. For example, when he tries to pull a rabbit out of his hat, a whole flock of chickens come out instead and start running all over the stage. He then tries to make a flower appear, but instead gets a cactus that pricks his finger.
One funny Christmas story idea could be about a family who accidentally decorates their Christmas tree with their pet dog's toys instead of the usual ornaments. The dog then spends the whole Christmas eve trying to retrieve its toys from the tree, causing chaos and laughter.