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The Murderous Master of Sound. Black Panther’s nemesis was once a scientist by the name of Ulysses Klaue, a man dangerously obsessed with harnessing sonic energy. Klaw has a prosthetic transducer for a hand, giving him the ability to transform sound into any solid mass.


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in Fantastic Four (1961) #53

Klaw’s debut! While the Fantastic Four are given a royal Wakandan welcome, they are treated to the origin of Klaw – the man who killed T’Chaka, father of Black Panther! In need of Vibranium for its sound-absorbing properties, Klaw cut his way through Wakanda’s leaders to get to the nation’s most precious resource! Read through #56 for his full metamorphosis!

Master of Evil

in Avengers (1963) #54

Klaw recounts how he was a guinea pig in his own experiment…and is now a being of living sound! Black Panther and the Avengers tremble at the might of the all-new Masters of Evil: Klaw, Whirlwind, the Melter, Black Knight and the Radioactive Man!

Sound & Fury

in Avengers (1963) #126

He’s back AND he brought a friend! A mega-sized Klaw teams up with tiara-sporting Solarr to ruin the Avengers’ day! Witness Klaw’s hungry, hungry “sound Panthers” give Cap, Thor and Iron Man a few scratches!

Sonimals on Parade

in Fantastic Four (1961) #378

Chaos in the courtroom...and a zoo in the streets! While on trial for arson, Johnny Storm and the Fantastic Four are ambushed by Klaw and a crew of alien ne'er-do-wells! Daredevil and Spidey are on the scene, but Klaw still channels sound waves into a stampeding elephant and a gargantuan gorilla!

See You in Hell

in Black Panther (1998) #5

While in the clutches of the demon Mephisto, T’Challa confronts his vulnerabilities as a king – namely his blood feud with Klaw. Relive the day when Wakanda’s secret kingdom nearly fell to a Vibranium-powered blaster! And just how did Ulysses lose that hand?

Captain Cacophony

in Captain America (1998) #22

A sonic “cancer” has been plaguing Wakanda – and Captain America seeks a cure! Traveling to the hotbed of this energy disturbance, Cap realizes that a mountain of Vibranium is ground zero. Klaw, backed by an army of feral, soundwave animals, seeks to absorb the output from this abnormality – at the cost of half the planet!

Alternate History

in Black Panther (2005) #3

In this updated origin, Ulysses Klaue is a Belgian mercenary hired to eliminate Wakanda’s royal family. Although successful in assassinating T’Chaka, an adolescent T’Challa blew Klaue to bits, leading to his cyborg makeover and lifelong hatred of Black Panther.

Hearing Damage

in Daredevil (2011) #3

Kidnapped by Klaw’s “sound shadows”, Daredevil raises a ruckus against his captor! Matt’s at risk of becoming a bodiless creature of sound…your ears will be ringing too after this screaming match!

Discord & Carnage

in Superior Carnage (2012) #1

A lobotomized Cletus Kasady is no longer in control of his symbiote. The Wizard recruits Klaw to help him tap into the raw power of Carnage – to play to a tune of their own making! But will this ‘Superior Carnage’ respond to Klaw’s pitch?

Musical Melee

in Daredevil Annual (2016) #1

While at a rock concert, deaf Avenger Echo realizes that the entire hearing audience has succumbed to an audio virus! And if Klaw’s disharmonious tune hits the airwaves, all of New York City is at risk of becoming his sound slaves!