|Full name/Real name/Shorter name||Goro, Pika and Don|
ゴロ, ピカ, ドン
|Nationality||Land of Thunder|
The Goropikadon are three cheeky brothers who were born in the Land of Thunder on "the 25th day of the 14th month of the 53rd year of the thunder calendar". They don't like the rain.
The oldest son Goro has blue hair, loves eating and making jokes. The youngest brother Pika is good at the thunder drums, and is child-like and shy. Don is serious and loves to invent things. He is aiming for a Nobel Prize.