Creepy crawlies are usually insects and wriggley things however they can branch out as far as snakes and the like or most things that crawl.

Sources
Bird Eater Nat Geo
   • The Biggest Spider on the Planet | Bi...  
Yellowbellied
   • YellowBellied Sea Snake  
Antarctic Proboscis Worm
   • The Proboscis Worm's Mouth of Horrors  
Kissing/Assassin Bug
   • Assassin Bug | National Geographic  
   • Kissing bug feeding on a human  
Bullet Ants
   • Could You Pass the Bullet Ant Test? |...