F

F (name unknown) is one of the letters of Wammy's House.

In Bangnum, Thailand, F discovered the Americans, who they were investigate for there're mission in the Thai Village and how the Thai people got a deadly disease. F rans off into the jungle, and find the Thai boy (Near) in the abandoned temple and he was writting numbers in the temple wall. When F shouted "BOY" (it means "Near"). When F told Thai boy, to get out of this village, and when the Americans have finished there're mission, and they saw the U.S. bomber and they were leaving in the Village without Thai people. So, Thai people were killed by the U.S. Bomber, because the people in the Thai Village got a deadly disease.

After the Thai Village was destroyed, a U.S. Soldier found a truck moving north in the jungle of Thailand and the U.S. Commander ordered the U.S. Soldier, to destroyed that truck without any witnesses or survivors. But F was driving the truck, who have managed to escape from the Thai Village, including the Thai boy. When they were being followed by the U.S. helicopter with combat guns, and before F drop him off and tell him to find a phone and call "010-5928-1472-18". But the Thai boy have memorize it. Also F tell him to call that number, and say "F1225", to contact Watari, and to protect him.

When F drop him off and he give the blue necklace (with the chip inside) to the Thai boy and he sald, "Good Luck! BOY!" He drive the truck and flee as he could. When F was chased by U.S. helicopter and when it fired to the ground and he stopped the truck and surrendered, and when he prepared to accept death, and he close his eyes, and the U.S. helicopter fired the truck and it was destroyed.

He was killed while on a deadly rescue mission in Thailand.

He is not in the anime or the manga, he is only in the film L: Change the WorLd.