It could be the exaggerated expressions or the unexpected situations involving the toilet paper. Maybe the way it interacts with characters in a humorous way.
You need to start with basic sketches of Khalid's features. Focus on getting the proportions right. Then add details and shading for a more realistic look.
Start with simple shapes like ovals for the head and body. Then add features like big ears and a long tail. Sketch lightly at first and build up the details gradually.
Yes, you can. There are many ways to pitch a cartoon that don't involve puppet animation. You could focus on hand-drawn or digital animation styles, for example.