Perhaps it's intended to surprise the audience or to add an element of surprise and complexity to the story. But it really depends on the overall theme and tone of the cartoon.
Cartoon animal transformation often happens in a fantastical way. It could be a sudden burst of light or a swirl of colors, and the character just morphs into an animal. It's all about imagination and creating a fun and exciting scene for the viewers.
Political cartoons often convey complex ideas and social commentary. They use visual elements and symbols to make a point, and the meanings can vary depending on the context and the artist's intention.
You can use various image editing software like Adobe Photoshop or online tools. Many of these have specific filters or tools for creating caricatures. Just upload your image and start playing around with the settings.
The 'Hero High' manga is definitely worth reading. It combines a unique concept with excellent execution. The writing is sharp and the visuals are top-notch.