Roy Thomas对金刚狼设计的要求如下：
I had only three requirements of the Wolverine, all of which I gave to Len in my office: (1) He was Canadian, and announced as such right away. (2) He was short, because a wolverine is a small animal. (3) He had a quick temper, because wolverines are known for being fierce and taking on beasts far bigger than they are.

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下面是图穷匕见的时刻，没错，wolverine就是猹，所以我要摆闰土和猹

其间有一个十一、二岁的少年，项带银圈，手捏一柄钢叉，向一匹猹尽力地刺去。那猹却将身一扭，反从他的胯下逃走了。

wolverine和平头哥也是近亲，性格也像，和金刚狼的个性也接近

以后不叫狼了，就叫猹