|"The Alien Boss of Gotham City!"|
|First Published:||December 1963|
|Previous Issue:||Batman #159|
|Next Issue:||Batman #161|
"The Mystery of Madcap Island!"Edit
Batman and Robin trail the Green Hood Gang to Madcap Island, a place dotted with wealthy men’s summer homes, all built in the symbol of a business firm or an object someone wanted to base a house on.
"The Alien Boss of Gotham City!"Edit
Batman and Robin seem stymied by the otherworldly weapons of the Gimmick Gang, whose leader is unmasked as an apparent alien.
- Gotham City
- Madcap Island