Sydney is a male anthropomorphic otter, he is 21 years old. He wears a black t-shirt with a skull and crossbones, Sydney is a male anthropomorphic otter, he is 21 years old. He wears a black t-shirt with a skull and crossbones, a black cap, tan cargo shorts, and a black sweatband on either wrist. A notable aspect of Sydney's personality was the tendency to "switch" from normal to extremely aggressive behavior. Flynn and Sydney are very close. Sydney looks up to Flynn like an older sibling.