Although not a member of the Zwei per se, Pat is seen as such as he was brought into Juli's care. He came to the Liebe Delta to visit his father while the ship was diving. When the space station collapsed, Mr. Campbell perished attempting to save the lives of all the students aboard, and Pat went through the terrible experience of losing a parent. Handsome and with a bright future, Pat makes the best sandwiches and always wears his teddy bear backpack. The youngest child aboard the Liebe Delta at its collapse, at 8 years old Pat is also the youngest child on the Ryvius.