個 (Kanji for individual)

doesn't usually mean 'individual' like special, but more like 'private' or 'single-serving' (also it's a counter for small things)

Onyomi

Lemmy is a person who is a hard individual.

個人(こじん) の

personal ★★★☆☆
個 (individual) + 人 (person) = 個人 (personal)

personal, single-serving (one-to-one session with a teacher, personal pizza)(BOOBOO: don't confuse this with private - private is こじんてきな個人的な)

一個(いっこ)

small thing ★★★☆☆ KUNKUN COUNTER
一 (one) + 個 (individual) = 一個 (small thing)

one small, usually roundish, thing - orange, apple, ipod

個室(こしつ)

private room ★★☆☆☆
個 (individual) + 室 (room suffix) = 個室 (private room)