Real Name: Troy Stewart
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Sonic scream capable of affecting reality
First Appearance: Superboy (1949) #216
View a chronological listing of this character's appearances
2995: The Legion of Super-Heroes Sourcebook (1992)
Action Comics (1938)
#500 All-New Collectors' Edition (1978)
- 'The Life Story Of Superman'
C-55 Final Crisis: Legion of Three Worlds (2008)
- 'Superboy and the Legion of Super-Heroes'
History of the DC Universe (1986)
#12 La Legion Des Super-Heros (1984)
- 'Justice, Chapter Twelve'
#1 La Legion des Super-Heros et les Nouveaux Jeunes Titans (1984)
- 'Le Passe Dans un Sombre Miroir'#2
#17 Legion of Super-Heroes (1980)
- 'Titans: Les cendres aux cendres!'
#263 Legion of Super-Heroes (1989)
- 'Day of Judgment'#263 (Whitman)
- 'Day of Judgment'#264
- 'Dagon's Cavern of Doom!'#265
- 'The Brigadoon Syndrome'#300
- 'The Future is Forever!'
Legion of Super-Heroes (2005)
Legion of Super-Heroes (2010)
#2 Legionnaires (1993)
- 'The Day After Titanfall'#3
- 'Earth-Man's Choice'#7
- 'The Shifting Shape of Revenge/Inquiring Minds'#9
- 'One Last Durlan'#10
- 'Hiding in Plain Sight'#11
- 'False Start'#15
- 'False Victory'#16
Secrets of the Legion of Super-Heroes (1981)
#1 Superboy (1949)
- 'The Past...Seen Darkly'#3
#216 Superman/Batman (2003)
- 'The Hero Who Hated the Legion'#218
- 'The Secret Villain the World Never Knew'#222#250
- 'This is the Day the Universe Dies!'
#15 The Superman Story (1983)
- 'Absolute Power, Chapter Two: "What Price Freedom...?"'
TPB Valor (1992)
- 'The Superman Story'
#22 Who's Who in the Legion of Super-Heroes (1988)
- 'End of an Era, Part Two: The Center Cannot Hold!'
Who's Who: The Definitive Directory of the DC Universe (1985)
- 'Krona to Losers'#24
- 'Tim Trench to Universo'
Legion of Super-Heroes (DC)(Earth-0)
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