* Short and stocky: He's described as being shorter than Greg Heffley, his best friend, and with a more rounded build.
* Big head: His head is disproportionately large compared to his body.
* Large, round eyes: These are usually described as wide and innocent-looking.
* A freckled face: He has a lot of freckles on his face, which are often mentioned.
* Bushy brown hair: His hair is described as being brown and often unkempt.
* He wears glasses: He has a pair of thick glasses that he often forgets to wear, which sometimes leads to funny situations.
Overall, Rowley is depicted as having a rather comical appearance. He's not conventionally handsome but his looks are part of his endearing personality.