The devils Amduscias, Malphas, and Goap work to keep these outcasts in line.

In the game Heroes of Newerth, Malphas is a minion the hero Hellbringer can summon.

In the video game Bayonetta, Malphas is the name of one of Bayonetta's summoned Infernal Demons.

Bel has granted the Dukes of Hell Malphas, Amduscias, and Goap into the service of Tiamat.

In the role-playing game In Nomine, Malphas is the Demon Prince of Factions, dedicated to causing division and strife among humanity.

In The Matrix Online MMORPG, Malphas is the leader of the Merovingian's vampires.

In the MMORPG Realm of the Mad God, Archdemon Malphas is the boss of the Abyss of Demons and is also stated to have given Oryx dark powers.

In the 2006 Dungeons & Dragons supplement Tome of Magic: Pact, Shadow, and True Name Magic, Malphas appears as a "vestige" with whom characters can make a pact in return for power.

Many people wanted to use Tersias' powers for themselves: Malachi, himself; Jonah, a teenage highwayman and his partner, Tara; Solomon, a zealot, who plans on using his experiments (flesh-eating locusts) and Lord Malphas, a keeper of mysterious powers.