Shikoku Aburame

was a Jōnin-level shinobi from Konohagakure's Aburame clan. He was the father of Shinan Aburame. Not very much is known about him however, he participated in the Second Shinobi World War during which some of his kikaichū mutated a stronger exoskeleton. He had cultivated this mutation to such a degree that the kikaichū in question became a whole new species, which he called the tetsuchū. He passed these bugs onto his son when he was born. Shikoku was killed during the Third Shinobi World War during an escort mission which turned out to be a trap when one of Shikoku's squad mates revaled himself to be a traitor.