Togedemaru

“The spiny fur on its back is normally at rest. When this Pokémon becomes agitated, its fur stands on end and stabs into its attackers.”

— Pokémon Sun

“The long hairs on its back act as lightning rods. The bolts of lightning it attracts are stored as energy in its electric sac.”

— Pokémon Moon

“When it’s surprised or agitated, the 14 fur spikes on its back will stand up involuntarily.”

— Pokémon Ultra Sun