Cosmic Boy/Preboot

Cosmic Boy Legion of Super-Heroes member Preboot » Pre-Crisis Real name Rokk Krinn First appearance Adventure Comics #247 Stats Home planet / Species Braal Relatives Pol Krinn (Magnetic Kid, younger brother) Powers Magnetic control Other versions

All Appearances

Includes Elseworlds and AR appearances from Pre-Crisis era: 1958-1985.

1958

• April - Adventure Comics #247 (cover, 28 panels)

1959

• December - Adventure Comics #267 (cover, 27 panels)

1960

• August - Action Comics #267 (22 panels)

1961

• January - Superboy v1 #86 (3 panels)
• March - Adventure Comics #282 (1 panel)
• May - Action Comics #276 (9 panels)
• September - Superman v1 #147 (6 panels - As Cosmic Man)
• November - Adventure Comics #290 (cover, 7 panels - 4 as picture, 6 in flashback)
• November - Superman v1 #149 (? panels)
• December - Superboy v1 #93 (? panels)
• ? month - Superman Annual v1 #4 (1 panels)

1962

• February - Action Comics #285 (? panels)
• February - Adventure Comics #293 (cover, 25 panels)
• April - Superman v1 #152 (10 panels - 1 in flashback, 1 as statuette)
• April - Action Comics #287 (15 panels - 2 as statuette, 8 as disguised chameleon man)
• June - Action Comics #289 (8 panels - 2 as statuette, 6 as Cosmic Man)
• July - Action Comics #290 (? panels - as statuette)
• August - Superman v1 #155 (3 panels - as Cosmic Man, plus 8 panels disguised as Hercules)
• September - Adventure Comics #300 (cover, 22 panels - 1 as statue, origin)
• October - Adventure Comics #301 (24 panels)
• October - Superman v1 #156 (? panels)
• November - Adventure Comics #302 (? panels)