Hades

Hades was a Greek Immortal who supposedly ruled the underworld. (PROSE: Deadly Reunion)

Hades was approached by the First Doctor on Katarina's behalf. Hades refused to overrule his judges' verdict that Katarina was neither good nor evil. However, his wife, Persephone, convinced him that Katarina deserved to enter the Elysian Fields. (PROSE: Katarina in the Underworld)