The logo of the Combine used in the <i>Half-Life</i> series
<a href="https://en.wikipedia.org/wiki/Valve_Corporation" class="extiw" title="en:Valve Corporation">Valve Corporation</a>
This image was made by <a href="//commons.wikimedia.org/w/index.php?title=User:RamzyAbueita&amp;action=edit&amp;redlink=1" class="new" title="User:RamzyAbueita (page does not exist)">RamzyAbueita</a>; the copyright is held by the <a href="https://en.wikipedia.org/wiki/Valve_Corporation" class="extiw" title="en:Valve Corporation">Valve Corporation</a>