Yes of course Iran needs Israel! If it was not for Israel, the illigal nasty regime of islamik would have had no excuse to massacar/torture it's people in the name of Israelie agents(this doesnt mean that Israel has no agents in Iran though!!) Also if it was not because of islamic regime in Iran and hard zoinists in Israel, these two countries would have been best of firends to counter the arabs the phantom menaces!!
Palestinians, IDF clash in Jalazone after funeral of teen killed by IDF on Friday (Haaretz)
from the article: Israel and Iran: An eternal alliance