友 (Kanji for friend)

Onyomi

YUU	YOU are perhaps my best friend.

Naruto, being a teenage boy, is really good friends with his own crotch. Perhaps best friends.

友達(ともだち)

friend ★★★★★
友 (friend) + 達 (plural/delivery) = 友達 (friend)

友人(ゆうじん)

friend ★★☆☆☆
友 (friend) + 人 (person) = 友人 (friend)

a somewhat formal word for friend, used mostly by older people.

親友(しんゆう)

best friend ★★☆☆☆
親 (parents/kindness) + 友 (friend) = 親友 (best friend)

	Meaning	Hint	Radical
反	anti	CLIFF
友	friend	NARUTO

Jason Newsted was seen as the Anti - CLIFF by old-school Metallica fans.
NARUTO is your friend if you're an anime nerd.

Alternate mnemonic: only FRIEND has a "head" poking up above the horizontal line, and friends have heads.