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| Ben Krull | |
|---|---|
 | |
| Reactron | |
| Aliases: | Reactron Benjamin Krullen |
| Series: | Supergirl |
| Gender: | Male |
| Notability: | Antagonist |
| Occupation: | Reactor engineer Super-villain |
| Location: | National City, California |
| Status: | Alive |
| First: | "Fight or Flight" |
| Actor: | Chris Browning |