Daichi

was an Academy student of Konohagakure.

Appearance
Daichi wore a grey shirt with a stripe running through the middle as well as on the cuffs along with a pair of dull purple pants and sandals. He also wore bandages around his legs and a headpiece that resembles headphones of sorts.

Chūnin Exam Arc
He was a classmate of Konohamaru at the Academy. When the Third Hokage asked the class who they would protect, Daichi responds that he would protect his friends.

Filler Episode(s)
in Episode 158 and 159 Daichi was placed on a temporary team with fellow academy students Nobori and Matsuri under the leadership of Hinata.  http://www.narutoget.com/watch/515-naruto-episode-158-english-subbed/ (thats just a link to use for references in case the other ones don't work for whatever reason)

Trap Master Arc
He appeared going towards the practice area after Chōji began to use his ninjutsu to make the children leave.