About T-Shirt Design
Some Bunny Is Ready For Candy T-Shirt works because it sounds more like something a real person would say than a random slogan. It has a clear everyday humor vibe, which makes it easy to picture as a gift or something to wear for fun.
It makes sense for casual days or holidays, especially if the person already likes this kind of humor. It fits nicely with novelty t shirts that are meant to be fun first and serious never. It works well as a novelty t shirt because the joke is clear and the design has plenty of personality. It feels casual enough for normal days but still has enough personality to get noticed.