Gleeson Hedge

Gleeson Hedge is a middle aged satyr posing as a coach at [[The Wilderness School

The Last Olympian
Hedge was mentioned in a letter to Grover; he tried to defend a park in Toronto from a giant evil badger, but failed to summon Pan's spirit, as Grover advised, resulting in many Dryads being destroyed because their trees were obliterated.

The Lost Hero
Gleeson Hedge was originally assigned to protect Leo and Piper. Once Jason is attacked, however, Gleeson decides to protect him. Interestingly, Gleeson is the first satyr in the series who appears as an older human would, meaning (because satyrs age slowly) he is a century old or maybe a bit less. Since he was up to fighting giant badgers in the first series, perhaps it is the latter.