* "He was as good as a circus": While not a direct simile, this phrase uses a metaphor to describe Red Chief's mischievous and chaotic nature, comparing him to the excitement and unpredictability of a circus.
* "He was only a little bit of a kid, mind you, but he had a head on him as old as Pharaoh's": This metaphor compares Red Chief's intelligence and mischievousness to the wisdom and cunning of an ancient pharaoh, suggesting a sharp mind behind his youthful appearance.
It's important to note that O. Henry's writing is known for its humor and wit, often relying on ironic situations and wordplay rather than extensive use of figurative language.