Isso é " Bloco do escritor ", descrito pelo wiki da Vertigo Comics como
...the literal personification of it's namesake.
...
His most prominent feature is his ability to dampen the creative process of his brother by his mere presence, rendering Kevin Thorn unable to begin his work.
As a Literal, Writer's Block cannot be permanently killed. He was able to come back to life a century after his brother first killed him.