Beheeyem can have one of two Abilities: Telepathy, which protects it from taking damage from an ally's attack in a Double Battle or Triple Battle; or Synchronize, which will pass on a Burn, Poison or Paralysis to the Pokémon that afflicted it with the aforementioned condition.
Elgyem can evolve into Beheeyem at Level 42.
Beheeyem is in the Human-Like Egg Group, and its Egg takes approximately 5,120 Steps to hatch. It takes Beheeyem One Million Experience Points to reach Level 100.
Beheeyem takes on the appearance of a small, human-like being with a relatively large cranium. The three fingers on each of its two hands are of different colors.
Beheeyem doesn't have any differences to differentiate between male and female.
Beheeyem appears at Frozen Tundra Tower 4-1 in Pokémon Rumble Blast. This is Beheeyem's only appearance in a Spin-Off game as of writing.
Trading Card Game
Beheeyem is listed as a Rare Card in the Noble Victories and Next Destinies sets.
A criminal named Leon uses a Beheeyem in the episode Beheeyem, Duosion and the Dream Thief, its only appearance in the Anime as of writing.
Beheeyem has yet to make an appearance in the Movies as of writing.
Beheeyem's Manga Information is unknown as of writing.
Beheeyem finds its niche in the Never-Utilized and Rarely-Utilized Tiers of Competitive Battling with respectable defenses, a high Special Attack and a low enough Speed combined with access to Trick Room. It is also viable set-up Pokémon with access to Nasty Plot, making the best defense a good offense--taking it out before it can get set up or by using a Ghost-or-Dark-Type Pokémon.
Via Move Tutor (Black 2/White 2)