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

Powers and abilities

Cosmic Boy has Magnetic control powers, as do all natives of Braal. He has developed his powers to a degree above the average Braalian to a point where he can use them to fly by riding on a planets magnetic field.

All Appearances

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)
• 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)
• July - Action Comics #290 (? panels - as statuette)
• 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)

See also:

Cosmic Man