One popular one is 'Avatar: The Last Airbender'. It has an interesting story and great characters. Another could be 'Arthur', which is educational and fun for kids.
You might consider 'Angry Birds' as a cartoon featuring the letter 'a'. It's based on the popular game and has cute characters. Also, 'Adventure Time' is quite popular, with its unique world and wacky adventures.
There's also Isabella from Phineas and Ferb. She's a fun and popular character. Another might be Ice King from Adventure Time, who has quite a unique personality.
Well, it could be that the image of a donkey doesn't easily fit into the common themes and tropes of popular cartoons. Plus, creators might think they don't have enough unique traits to make for engaging and fun characters.
'Madagascar' is also well-known. It follows the adventures of a group of zoo animals in the wild, with funny and exciting moments.
There are quite a few. For example, 'Dragon Ball' is popular, with Goku as the main character. Another one is 'Naruto', which follows the adventures of Naruto and his friends.
Some popular ones include 'Teen Titans' and 'Gravity Falls'. 'Teen Titans' shows the adventures of young heroes, while 'Gravity Falls' has a fun and mysterious plot with teenage protagonists. Both are loved by many viewers.
One such cartoon could be 'Mighty Med', where kids with special powers save the day.
Well, there's 'Elmo's World' which is loved by many kids for its fun and educational content.
Well, there's 'Lilo & Stitch', a heartwarming cartoon about an unlikely friendship. It's quite popular among kids and adults alike.
Well, 'Ice Age' is a well-known cartoon that begins with 'I'. It has cute characters and funny storylines. Another one could be 'Inside Out', which focuses on emotions and is quite touching.
One such anime is 'Pokemon'. It's super popular and has been loved by fans worldwide for a long time.