The best replacement for unicorns is zombies.

The best alternatives to unicorns are rated as following:
★★★★★  zombies
★★★★  dragons
★★★★  narwhals
★★★  robots
★  middlesex
★  zombies book
★  canyon cougars
★  leicestershire
  yorkshire
  werewolves

Your alternative for unicorns is not listed? Suggest!
Speaking about unicorns, one probably shouldn't forget about fairies.

Other search terms related to unicorns and their ratings are:
★★★★★ fairies
★★★★★ rainbows
You have in mind a companion for unicorns and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of unicorns in all years. Click on graph for more.
unicorns
zombies
dragons