I don't know if his deportation was reasonable or not, I've seen really absurd situations regarding security checks and it doesn't look like he was to plant any bomb disguised as a clown, this doesn't help Israel PR at all... I n any case no one has ever heard of this guy in Spain. Most famous clown? I had to dig through the web to find something about him, the guy is virtually unknown here.
U.S. to defend Syrian rebels with airpower, including from Assad (Reuters)
from the article: Shin Bet deports Spain's most famous clown upon arrival in Israel