| Issue | #290 |
| Published | November 1961 |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | Mort Weisinger |
| Notes | Two pages of letters in this issue. |
| Characters | Sun Boy |
| Genre | superhero |
| Pencils | Curt Swan |
| Inks | Stan Kaye |
| Notes | Two pages of letters in this issue. |
| Reprinted | in Legion of Super-Heroes Archives, The (DC, 1991 series) #1 |
| Characters | Superboy [also appears as Clark Kent]; Tom Tanner (Clark Kent look-alike); Lana Lang; Sun Boy (impostor); Legion of Super-Heroes [Cosmic Boy; Saturn Girl; Lightning Lad; Phantom Girl; Brainiac 5; Chameleon Boy]; Chief Parker; Superboy robots; Ma Kent; Lana Lang; Kryptonite |
| Synopsis | A fake Sun Boy comes to Smallville asking Superboy's help in assembling a super-weapon. Meanwhile Tom Tanner, an escapee from reform school, takes over Clark Kent's identity. |
| Genre | superhero |
| Script | Robert Bernstein |
| Pencils | George Papp |
| Inks | George Papp |
| Letters | Joe Letterese |
| Notes | first appearance of Sun Boy; original story is partially rewritten from "The Two Clark Kents" in Adventure Comics #191 (August 1953) |
| Reprinted | in Superboy (DC, 1949 series) #147 (June 1968); in Adventure Comics (DC, 1938 series) #495 (January 1983); in Legion of Super-Heroes Archives, The (DC, 1991 series) #1 |
| Genre | fact |
| Script | Jack Schiff |
| Pencils | Bernard Baily |
| Inks | Bernard Baily |
| Synopsis | Man's hair doesn't stand up because it's a wig |
| Genre | gag |
| Script | Henry Boltinoff |
| Pencils | Henry Boltinoff |
| Inks | Henry Boltinoff |
| Letters | Henry Boltinoff |
| Characters | Bizarro Lois; Bizarro Jr; Living Blue Kryptonite creatures (intro); Bizarro Hipster No. 1; Bizarro Olsen; Bizarro Perry White |
| Synopsis | The Bizarros celebrate when their world is invaded by animated Blue Kryptonite statues, until the invaders try to make it round again. Then war breaks out. The Blue Kryptonite radiation was unblocked by regular lead suits but blocked by imperfect duplicates of the same lead suits. |
| Genre | superhero; humor |
| Script | Jerry Siegel |
| Pencils | John Forte |
| Inks | John Forte |
| Reprinted | in Best of DC, The (DC, 1979 series) #36; in Superman: Tales of the Bizarro World (DC, 2000 series) #nn |
| Synopsis | Borrowed umbrella clearly marked with Shorty's name |
| Genre | gag |
| Script | Henry Boltinoff |
| Pencils | Henry Boltinoff |
| Inks | Henry Boltinoff |
| Letters | Henry Boltinoff |