Some would say he is AN anti-Christ in the generic sense since so much of his agenda is in opposition to the Lord's. Sometimes referred to as a "type" of anti-Christ.
But he is definitely not THE anti-Christ. That guy is supernatural and will successfully deceive the majority of the world until the real Christ returns. Obama is a wannabe dictator whose popularity is already tanking.
Yes, Zero is an antichrist, but not the Biblical Antichrist.