What were electric eels called before electricity was invented ?

Zappy bruddah eels :v
They zap bruddahs

Electricity was invented - it was discovered.

It's been called "electric" since Linnaeus first described it in the 18th century. Not sure it was known much before then in the Western world at least. The word "electric" has been used since the 17th century in terms of magnetism and static electricity.

Electricity was discovered, not invented. Lightning, which is electricity, is as old as the Earth.

Thunder snakes.

Shock snakes

Oil lamp eels

What did people call static shocks?

Lightning eels?

fire eels