A cartoon restaurant sign design typically features whimsical and colorful illustrations that are appealing to a wide audience. It often includes playful characters, vibrant colors, and imaginative themes that resonate with the restaurant's branding and target demographic. Such designs are created to attract customers and create a memorable first impression. In terms of knowledge, restaurant signage design is an important aspect of branding and marketing, involving elements like typography, imagery, and layout that contribute to the overall identity of the establishment.