sentence: the ability to '' piggyback '' or use various animal companions , called '' animal buddies '' , returns from its predecessor , such as squitter the spider , glimmer the anglerfish , rambi the rhino , rattly the rattlesnake , nerk the seal , enguarde the swordfish , and squawks the parrot , which can boost the gameplay experience , proving advantageous at certain points in a level or the whole level overall .