Is Press Tilton the good uncle to Bobby who wants to make sure that he is prepared for the hardships of the future, or a sociopath who manipulated him into becoming his unwitting pawn to further his own goals despite the risks to his nephew? Keep in mind that Press is not his actual uncle, nor a human. And neither was Bobby.
Press Tilton mentions Saint Dane was once a Well-Intentioned Extremist who wanted to do good but become a monster with a God complex obsessed with pleasing only himself. Is thsi true or was he just thinking fondly of him and not understanding he was always a monster that he is in the present.
Badass Decay: Saint Dane is nowhere near as scary when he's holding all of the cards, possibly because a lot of his creepiness comes from good ol' fashioned Paranoia Fuel - Saint Dane can be anyone, anywhere, at any time. Once he's won, he really has no reason to hide, which means the Travelers know where he is at all times.
Complete Monster: Saint Dane is a shapeshifting master manipulator who exploits catastrophes across parallel universes, called "territories", and helps manipulate them towards the worst possible outcome. On Denduron, he manipulated the oppressed Milago to try and make them take revenge, as well as become conquerors to bring about the planet's downfall. On the water planet of Cloral, he created a poison which caused plants to overgrow and die in hopes of creating famine. On Earth, he attempted to give nukes to the Nazis to help them win the war. On the jungle planet of Eelong, he attempted a genocide by using the same poison to wipe out crops of Eelong's races, so that a race called the Klee will start to hunt to extinction another called the Gar. On the desert planet of Zadaa he flamed tensions by causing the Rokador tribe to hold back water so that the Batu tribe would fade away. He helped crush the rebellion on the planet of Quillan against a tyrannical Mega Corp., ensuring the dystopia would continue. Saint Dane seduced the teenager Courtney and seemingly became her friend, only to use the opportunity to run her over and leave her for dead in a ditch. Taking over the Cult of Ravinia and using it to conquer the various worlds, he has all those he deems weak killed or banished to hostile wastelands. It's revealed he creates this chaos in the hope of causing a downfall of these worlds to create one world called Halla which he alone will rule. An Omnicidal Maniac obsessed with remaking existence into his own twisted image and becoming a dark god, Saint Dane will stop at nothing for that goal, even killing all inhabitants of the multiverse.
Growing the Beard: Some people think that the later books are an improvement over the first ones.
Love to Hate: Saint Dane is the biggest monster in the entire series bar none but his intelligent dialogue, personal rivalry with Bobby and status as a Magnificent Bastard makes him one of the most popular characters in the series by far and an interesting villain in general.
Magnificent Bastard: Saint Dane bar none. Most of the time he disguises as two different people. One he allows Bobby to know about to taunt him, and the other is somebody who isn't revealed until around the end of the book. Usually the second disguise is what he is using to manipulate everybody to their doom, with the exception of The Rivers of Zadaa where he convinces the Rokador to flood i as himself and The Quillan Games where he reveals his new secret weapon Nevva Winter. To top things off, as of Raven Rise, he's arguably winning, having destroyed all the barriers of Halla. The fact he also is capable of holding his own in actual combat, is more or less unkillable and was responsible for the deaths of Press, Alder, Patrick and Kasha (though they all got better) makes it no surprise that an unusually large portion of the fanbase wants him to win in the last book.