What if Xander dressed up as youngish Charles Xavier for Halloween instead of a Soldier and he kept not only the very useful memories but the gift of Telepathy as well? Particularly if Xander thanks to the way he's grown up unconciously & constantly scans those around him for threats - hearing & finding out things he shouldn't > leading Xander to proactively taking care of various threats in sunnydale much more quietly, efficiently and effectively including the teams various attitudes as well as providing some necessary perspective for Xander with regards to his life and himself

Possibile Crossovers

1) {CHARMED} Xander finds out that he's a Natural Born Witch with Halloween just breaking through the binding, that was placed by the Elders due to his parents continuous addictions, and possibly adding another active power = gets the support/help of the Elders/whitelighters as he learns of his heritage, controls his gifts and handles sunnydale/gang > later on could move to San Francisco and form an alliance with the Charmed ones and some others in keeping San Fran safe and each other grounded in reality

1.5) Xander as just a natural Telepath, though thanks to where he was born and how he got/activated his powers still gains Elders/whitelighters support as he learns to control his gifts and handle sunnydale/the gang = later on he could also be the one to help support Leo supporting the Charmed ones and getting their heads out of their asses as needed

Added bonus if Xander and Paige become best friends, helping each other heal and supporting each other against unreasonable sisters/friends that have constant trouble accepting them as they are and not zeppo/replacement instead of friend/sister.

2) {SUPERNATURAL} Xander as one of Azazel children with his gifts coming out sooner thanks to Halloween - leads to him heading several things off

3) {SENTINAL with further possible crossovers in SGC or CSI if sentinals/guides are known} Xander as a powerful guide qualities become more telepathic in nature

4) {X-Men Evolution Or X Men The Movies} Xander as the Psychic son of the real Charles Xavier who with his own Telepathy senses that something has happened, investigates it, fixes it and then fosters/adopts Xander.

Must Not Have:- Xander telepathically powerful enough to read more than a small city

Any parent or anyone who has babysat a small child can tell you that small children seem to have the ability to teleport from the last place you saw them right into something they shouldn't be in.

So I was think what if Xander was de-aged and then blessed with the ability to teleport. How would his new parents react to this?

For example if you cross teleporting Xander with one of the StarGate series someone's reaction might be "That's new" then go one with their life

Supernatural - "It's he demonic?" "Where's the holy water?"

NCIS - Gibbs would glare at the Xander then Xander would disappear and Gibbs would tell Tony to find him. Abby would say "That is so COOL!" Ducky would say "That reminds me of a time..."

Not sure how CSI Miami or other CSI series would react.

Please no Charmed since they're already used to teleporting babies

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Some follow up ideas...

As babies become toddlers they learn how to do things by themselves like how to take their clothes and diapers off. (We had to duct tape my nephew's diaper on him since he kept taking it off)

So of course when Xander made a stinky diaper he would take it off and leave it behind. And for some odd reason Xander would leave the stinky diaper in the office of someone who doesn't like his daddy like Stetler (CSI Miami) or Kinsey (SG-1)

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Now Vo I know you love to write multi-crossover just like we love to read them, so I was thinking you could make Xander have multi-daddies which he can teleport to. Figure start with Stargate (please make it Jack) that way they can say anything he does is classify and blame Loki for Xander. And then you have have a multi number of 'mother' maybe a Caine/Gibbs/DiNozzo mix?

Can you image Caine reaction to find Xander in his Hummer? Or Gibbs finding a baby under his boat?