10 minutes to figure it out

12 characters that are already here and 4 new characters are in this video and must figure out who's planning what.
Audio used:
GoAnimate soundtracks:
Electric Guitar and Dance
Cosmoguy Studios:
10 minute countdown timer with 16bit genesis music and 15 Minute Countdown Timer (16bit Music)
Rick Astley:
Never Gonna Give You Up
Others:
Crash sound effect

[@bernat_jansa]

HAPPY APRIL FOOLS