Is the anti-Christ one person or a group of people with a structural organization?

In Matthew 24:24, does the anti-Christ refer to one particular person or a group of people that form an organized group collectively known as the anti-Christ? What nationality and religion does the anti-Christ come from? How does the Bible define the anti-Christ?
Watch the video continuously on this playlist (Part 1 and 2) to find out what the Bible says..