Vibrant 3D Cartoon Characters Stack

A vibrant, 3D illustration features a stack of four cartoon characters against a {argument name="background" default="warm, gradient orange background"}. The characters are predominantly {argument name="colors" default="purple and blue"}, with large, expressive eyes and wide smiles. At the top is a large, purple creature with big, floppy ears and a white face, resembling a rabbit or a monkey. It has orange eyes and pink cheeks. Below it is a smaller, blue-faced creature with orange eyes and a wide, toothy grin, also with purple arms and body. It has a light blue heart shape on its chest. The third level features two characters side-by-side. On the left is a purple cat-like creature with blue eyes and a pink collar. On the right is a white, bald character with orange eyes and orange accents on its arms and body, adorned with small orange hearts. At the bottom, partially visible, is a purple dog-like creature with a playful expression. The entire composition is surrounded by {argument name="decoration" default="numerous small, colorful heart shapes in shades of purple, pink, orange, and blue"}, adding to the cheerful and whimsical atmosphere. The characters are perched on a textured, purple base that resembles a mound of soft clay or frosting.