| Hosta | Captain Atom |
| Status | registered |
| Originator(s) | Alex Malloy 1999 |
| Origin | 'Surprised by Joy' sport |
| Size category | mini - small |
| Plant height x width | 10x25 cm (4x10 in.) |
| Leaf length x width | 6x3 cm (2x1 in.) |
| Vein pairs | 4 |
| Leaf color | green,streaked,white |
| Variegation | streaked, unstable |
| Leaf | a bit rippled, a bit shiny |
| Petiole | |
| Scape | light green |
| Scape height | 20 cm (8 in.) |
| Flower | |
| Flower length | 2 cm (0.8 in.) |
| Fragrant | |
| Flowering period | June |
| Fertile | yes |
| Pod | |
| Ploidy | |
| Patents | |
| Info | 'Surprised by Joy' sport. Streaked green with white. |
| Sports | |
| Progeny | 'Carolingian' seedling 'Pipin the Short' = PP x venusta |