| Case | Singular | Plural |
|---|---|---|
| nom | superman | supermani |
| gen | supermana | supermanů |
| dat | supermanovi, supermanu |
supermanům |
| acc | supermana | supermany |
| voc | supermane | supermani |
| loc | supermanovi, supermanu |
supermanech |
| instr | supermanem | supermany |