The best replacement for green lantern is superman.

The best alternatives to green lantern are rated as following:
★★★★★  superman
★★★  silver surfer
★★  sinestro
★★  thor
★  green hornet
★  iron man
★  flash
★  green arrow
★  black adam
★  darkseid
★  nova
  captain marvel
  captain america
  star sapphire
  martian manhunter
  magneto
  green lantern
  yellow lantern
  aquaman
  red lantern
  ironman

Your alternative for green lantern is not listed? Suggest!
Speaking about green lantern, one probably shouldn't forget about red shirt and cape.

Other search terms related to green lantern and their ratings are:
★★★★★ red shirt and cape
You have in mind a companion for green lantern and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of green lantern in all years. Click on graph for more.
green lantern
superman
silver surfer