What are some popular ugly boy cartoon characters?

Well, one popular ugly frog cartoon character could be Kermit the Frog from 'The Muppet Show'. He's well-known and loved by many.

I think Cruella de Vil from '101 Dalmatians' could be considered. Her big and ugly earrings add to her villainous style.

Well, there's SpongeBob SquarePants. He's a funny and beloved character.

Some well-known cartoon boy characters include Ben Tennyson from Ben 10 and Finn from Adventure Time. These characters have exciting adventures and capture the imagination of viewers. SpongeBob SquarePants is also very popular for his humor and charm.

Well, there's SpongeBob SquarePants. He's super funny and loved by many kids.

Some popular boy cartoon characters include Naruto from 'Naruto', Goku from 'Dragon Ball', and Ben Tennyson from 'Ben 10'.

You can't forget about Naruto Uzumaki. He's a determined ninja with a big heart and a powerful spirit.

Some ugly cartoon characters might include the Wicked Queen from Snow White. Her evil expression and sharp features give her an unpleasant look. Another could be the trolls in Frozen, with their rough and not-so-cute appearance.

One example could be the Ugly Duckling. It's often depicted as an initially ugly character before transforming.

Some common ones are Tom from 'Tom and Jerry' and SpongeBob from 'SpongeBob SquarePants'.