Like Eastwood's western setting character, Mifune plays a rōnin with no name. When pressed, he gives the pseudonym "Sanjuro Kuwabatake" (meaning "30-year-old mulberry field"), a reference to his age and something he sees through a window. The convention of hiding the character's arms from view is shared as well, with Mifune's character typically wearing his arms inside his kimono, leaving the sleeves empty. Prior to signing on to "Fistful", Eastwood had seen Kurosawa's film and was impressed by the character. During filming, he did not emulate Mifune's performance beyond what was already in the script. He also insisted on removing some of the dialogue in the original script, making the character more silent and thus adding to his mystery. As the trilogy progressed, the character became even more silent and stoic.