Menu
Home
People
Places
Arts
History
Plants & Animals
Science
Life & Culture
Technology
Reference.org
Reactron
open-in-new
<p>Reactron is a fictional <a href="/facts/Supervillain/X0u1CIur">supervillain</a> who appears in <a href="/facts/Comic_books/xGFkPrMT">comic books</a> published by <a href="/facts/DC_Comics/gvuKz3yL">DC Comics</a>, usually as an adversary of <a href="/facts/Supergirl/Aj5EQ9o0">Supergirl</a>. </p>