A Crystal Man using his stun cannon[1]

A stun cannon was a type of cannon that fired a stun ray.

The Crystal Men used a stun cannon in an attempt to take out Green Lantern. But they only ended up destroying their own nuclear core instead.[2]


The Superman/Aquaman Hour of Adventure


  1. As seen in Between Two Armies (1967).
  2. As seen in Between Two Armies (1967).

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