How to rip sfx?

[Hackingstar]

ok i have been making sfx hacks but haven't officially released them yet but now i want to go further. so...how can i or anyone rip sfx from video games or from videos of video games or maybe from movies. heres what im saying. i have been working on sfx with the use of a certain characters voice (see below)

<a href="http://www.youtube.com/watch?v=PJMy2txnr3o" target="_blank" class="aeva_link bbc_link new_win">http://www.youtube.com/watch?v=PJMy2txnr3o</a>

but now lets say i want to rip some of clouds voice from here (see below)

<a href="http://www.youtube.com/watch?v=7s1VyV3OP4Q" target="_blank" class="aeva_link bbc_link new_win">http://www.youtube.com/watch?v=7s1VyV3OP4Q</a>

now does anyone know exactly how i or anyone can rip sfx from video games, videos of video games, or movies? any tools links would be fine btw