Welcome to Smogon! Take a moment to read the Introduction to Smogon for a run-down on everything Smogon, and make sure you take some time to read the global rules.
Graphical glitch in a doubles battle where two darmanitan sprites were shown:
Might be due to the fact that a zoroark illusioned as darmanitan earlier in the battle, not sure. Replay is here: https://replay.pokemonshowdown.com/gen7randomdoublesbattle-799875282