er ' s ▁license , ▁a ▁Sat yr ▁must ▁be ▁a ▁successful ▁prote ctor ▁where ▁they ▁must ▁bring ▁a ▁Dem ig od ▁to ▁Camp ▁Half - B lo od ▁alive . ▁ ▁L ene us ▁– ▁A ▁member ▁of ▁the ▁Council ▁of ▁Clo ven ▁E ld ers ▁who ▁h ates ▁Gro ver ▁and ▁thinks ▁he ▁is ▁a ▁li ar . ▁He ▁is ▁killed ▁in ▁The ▁Last ▁Olymp ian ▁and ▁is ▁re inc arn ated ▁as ▁a ▁la ure l . ▁When ▁he ▁dies , ▁Gro ver ▁takes ▁his ▁place ▁in ▁the ▁Council ▁of ▁Clo ven ▁E ld ers . ▁ ▁Mar on ▁– ▁A ▁member ▁of ▁the ▁Council ▁of ▁Clo ven ▁E ld ers . ▁He ▁only ▁appears ▁in ▁book ▁four , ▁when ▁he , ▁Sil en us ▁and ▁L ene us ▁try ▁to ▁ex ile ▁Gro ver ▁because ▁they ▁think ▁that ▁Pan , ▁the ▁god ▁of ▁the ▁wild , ▁is ▁still ▁alive ▁and ▁Gro ver ▁is ▁lying ▁about ▁his ▁death . ▁He ▁and ▁the ▁other ▁members ▁of ▁the ▁Council ▁are ▁described ▁as ▁being ▁old ▁and ▁fat ▁sat y rs . ▁ ▁Sil en us ▁– ▁The ▁leader ▁of ▁the ▁Council ▁of ▁Clo ven ▁E ld ers ▁and ▁is ▁shown ▁to ▁hate ▁Gro ver ▁calling ▁him ▁an ▁" out cast " ▁and ▁a ▁" li ar ." ▁He ▁also ▁has ▁susp ic ions ▁that ▁Gro ver ▁is ▁a ▁sp y . ▁ ▁Ich neut ae ▁– ▁A ▁sat yr ▁who ▁is ▁exclusive ▁to ▁the ▁film ▁Per cy ▁Jackson : ▁Sea ▁of ▁Mon sters