Iwashi Tatami

is a Chūnin from Konohagakure.

Chūnin Exam arc
Iwashi first appeared when showing Anko Mitarashi a video of the Sand Siblings after passing the second test of the Chūnin Exams, noting in particular that Gaara was untouched.

Sasuke Retrieval arc
He appeared later with Raido Namiashi, Shizune, and Genma Shiranui on a mission. Raido and Genma were badly injured by the Sound Four, and Iwashi wanted to get revenge for his comrades, but was stopped by Shizune.

Mizuki Strikes Back arc
In the anime, Iwashi, along with Tonbo Tobitake, informed Tsunade about Mizuki and the Legendary Stupid Brothers escaping from prison together.

Hunt for Itachi arc
In an anime-only scene, after Sasuke killed Orochimaru, Iwashi was briefly shown, along with Anko and Mozuku, shortly before Anko sensed the Sannin's death.