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

Biography

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

1958

1959

1960

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)