Well even though he keeps that radioactive clay on hand at all times, and he could make a puppet for anyone, he keeps pre-made figures for the Fan 4 on hand at all times. So having a boost against Adventurers and Scientists is a way that helps tell the thematic story without mentioning any character names. And so what if it ends up working well on an Adventurer or Scientist that he is not familiar with in the comics. The power does work on everyone anyways, and besides, he may have seen the scientist at a convention or encountered the Adventurer while the Fan 4 were in membership rotation.
