The best replacement for pluto is goofy.

The best alternatives to pluto are rated as following:
★★★★★  goofy
★★★★  hades
★★★  moon
★★  mercury
★★  earth
★★  neptune
★  eris
★  jetspeed
★  moon bigger
★  granada
★  jupiter
  taisuke
  sun closer to earth
  earth moon
  dwarf planet
  mars
  earth size
  pluton
  moon size
  charon
  saturn
  uranus

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

Other search terms related to pluto and their ratings are:
★★★★★ charon
★★★ service dog
★ mickey
You have in mind a companion for pluto and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of pluto in all years. Click on graph for more.
pluto
goofy
hades