Superman's Nemesis Whose Real Name Is Vril Dox
This page is the CodyCross answer for the clue below from Underground Worlds, Group 2174, Puzzle 5 (Vertical Shafts).
Question is: Superman's Nemesis Whose Real Name Is Vril Dox
and the answer is: BRAINIAC
Word Meaning:
BRAINIAC — (slang, sometimes derogatory) A very intelligent and usually studious, erudite person.
Definitions from Wiktionary.