. ▁Foundation ' s ▁Edge ▁reve als ▁that ▁he ▁originally ▁came ▁from ▁the ▁planet ▁Ga ia , ▁but ▁was ▁regarded ▁as ▁an ▁aber r ation ▁on ▁a ▁world ▁where ▁mental ▁powers ▁were ▁being ▁developed ▁for ▁bene vol ent ▁ends . ▁ ▁According ▁to ▁his ▁aut obi ography ▁In ▁Memory ▁Yet ▁Green , ▁As im ov ▁mode led ▁the ▁M ule ' s ▁physical ▁appearance ▁on ▁Leonard ▁Me is el , ▁a ▁friend ▁at ▁the ▁World ▁War ▁II - era ▁Navy ▁Y ard ▁in ▁Philadelphia . ▁In ▁keeping ▁with ▁the ▁Foundation ▁series ▁being ▁based ▁on ▁the ▁Roman ▁Empire , ▁the ▁M ule ▁has ▁historical ▁par alle ls ▁with ▁Att ila ▁the ▁Hun , ▁T amer lane , ▁and ▁Char lemagne ; ▁he ▁has ▁also ▁been ▁compared ▁to ▁the ▁Roman ▁Emperor ▁August us , ▁Adolf ▁Hitler , ▁St alin ▁and ▁several ▁other ▁absolute ▁t yr ants ▁of ▁recent ▁history . ▁ ▁M unn ▁Li ▁Com por ▁M unn ▁Li ▁Com por ▁is ▁a ▁fellow ▁council or ▁with ▁Gol an ▁Tre v ize , ▁the ▁story ' s ▁protagon ist . ▁ ▁Com por ' s ▁family ▁come ▁from ▁a ▁small ▁world ▁called ▁Com por ell on ▁in ▁the ▁Si ri us ▁S ector . ▁ ▁Com por ▁bet ray s ▁Tre v ize ▁to ▁the ▁Mayor , ▁and ▁also ▁follows ▁him ▁in ▁his ▁search ▁for ▁the ▁Second ▁Foundation . ▁ ▁He ▁is ▁also ▁an ▁agent ▁of ▁the ▁Second ▁Foundation , ▁an ▁Ob server , ▁with ▁limited ▁powers , ▁but ▁able ▁to ▁report ▁back ▁on ▁new