The best replacement for smeargle is ditto.

The best alternatives to smeargle are rated as following:
★★★★★  ditto
★★★★  galvantula
★  ninjask
★  smeargle

Your alternative for smeargle is not listed? Suggest!
Speaking about smeargle, one probably shouldn't forget about sticky web.

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



Google Trends

Scale is based on the average worldwide traffic of smeargle in all years. Click on graph for more.
smeargle
ditto
galvantula