The Frightful Five are the Amalgam of DC Comics' Fatal Five and Marvel Comics' Frightful Four.
History
The Frightful Five are the perennial foes of the Legion of Galactic Guardians 2099.
Members
Agamotto Express - A mix of DC's Emerald Empress and Marvel's Agamotto.
Manorb - A mix of DC's Mano and Marvel's Orb.
Sparticus - A mix of DC's Persuader and Marvel's Gladiator.
Tharlock - A mix of DC's Tharok and Marvel's Deathlok.
Valinus - A mix of DC's Validus and Marvel's Terminus.
Links
Frightful Five on The Amalgam Home Page: http://www.webcitation.org/query?id=1256525575979946&url=www.geocities.com/theamalgam/bios/frightful.html