The best replacement for natsu is zero.

The best alternatives to natsu are rated as following:
★★★★★  zero
★★★★  gray
★★★★  gajeel
★★★★  luffy
★★★  jellal
★★★  laxus
★★  gildarts
★★  zancrow
★★  ace
★★  erza
★  sting and rogue
★  ichigo
★  zeref
★  hades
★  max
★  jellal episode
  gildartz
  gajeel episode

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

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



Google Trends

Scale is based on the average worldwide traffic of natsu in all years. Click on graph for more.
natsu
zero
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