One common theme is heroism. Captain Laserhawk is often depicted as a great hero fighting against evil. Another is friendship, as he teams up with different characters in many fanfics.
You can start by looking on fanfiction platforms like Archive of Our Own (AO3). It has a large collection of fan - created works, and chances are you'll find a good number of Captain Laserhawk fanfictions there.
A popular one is 'Captain Laserhawk's Redemption'. In this fanfiction, the captain has to face his past mistakes and fight for redemption. It's a more character - driven story that shows a different side of the well - known character.
Definitely! Captain Underpants is a well-known comic series. It's full of humor and adventure that kids love. The illustrations are also quite engaging.