Enemies: Sir Lionel Barton, Dr. Petrie

Known Relatives: None

Aliases: None

Base of Operations: The many bases of Fu Manchu, including those in London and China

First Appearance: (literary) The Mystery of Fu-Manchu (1913);
(Marvel) Master of Kung Fu I#17 (April, 1974)

Powers: Lifespan increased due to ingestion of the Elixir Vitae serum.

History:

I stifled a cry that rose to my lips; for, with a shrill whistling sound, a small shape came bounding into the dimly lit vault, then shot upward. A marmoset landed on the shoulder of Dr. Fu-Manchu and peered grotesquely into the dreadful yellow face. The Doctor raised his bony hand and fondled the little creature, crooning to it.

"One of my pets, Mr. Smith," he said, suddenly opening his eyes fully so that they blazed like green lamps. "I have others, equally useful. My scorpions- have you met my scorpions? No? My pythons and hamadryads? Then there are my fungi and my tiny allies, the bacilli. Have you ever visited Molokai, the leper island, Doctor? No? But Mr. Nayland Smith will be familiar with the asylum at Rangoon! And we must not forget my black spiders, with their diamond eyes- my spiders, that sit in the dark and watch- then leap!"

(The Mystery of Fu-Manchu) - After being drugged and captured by Fu Manchu, Sir Denis Nayland Smith and Dr. Petrie first encountered Peko, Fu Manchu's pet marmoset. They were later set free by Dr. Fu's treacherous servant, Karamaneh.

Later, Fu Manchu sent Peko to the window of Frank Norris West, inventor of the aero-torpedo. Peko drove West to mad distraction to allow his master entry into the apartment. Fu Manchu hypnotically forced West to give him the combination to his vault, and he and Peko left with the plans.

(The Devil Doctor) - Held captive by Fu Manchu again, and handcuffed, Dr. Petrie noticed Peko playing with the keys to the locks. He tried to get the keys from the marmoset, but failed. Once again, Karamaneh set him free.

(Si-Fan Mysteries) - While walking the streets of London, Dr. Petrie had a chance encounter with Peko, and by following him, found himself able to eavesdrop on a meeting of the Si-Fan, Fu Manchu's organization.

(The Drums of Fu Manchu) - Peko accompanied Fu Manchu in a meeting with Smith and his ally, Bart Kerrigan. Fu Manchu revealed in the course of discussion that Peko was a recipient of his Elixir Vitae, and was much older than he appeared to be.

(The Island of Fu Manchu) - Peko was captured by Fu Manchu's enemy, Sir Lionel Barton, and held hostage by him, Smith, and Bart Kerrigan. Fu Manchu made two attempts to rescue his beloved pet, but failed. Concerned for its well-being, he sent a tube of Elixir Vitae with a tape recording to Kerrigan, so as to instruct him how to inject Peko, keeping him alive. Although Fu Manchu proposed to trade Kerrigan's lover Ardatha in exchange for his pet, he ultimately sent men of the Si-Fan to set Peko free while Smith and Kerrigan made an attempt at freeing Ardatha themselves.

(Emperor Fu Manchu) - Peko accompanied Fu Manchu to China, and annoyed his ally General Huan by repeatedly drinking his wine.

(The Wrath of Fu Manchu) - Peko began to waste away, needing more of the Elixir Vitae; to nurse his pet back to health, Fu Manchu withdrew from the Si-Fan for a time to care for his beloved pet.