The following are alts of the same person

ndnhc: BTC Address 1At8KjNtUyAhWdUuNrZyUsCVQCFqcuY68m used here
Watoshi-Dimobuto: BTC Address 13UytrmhA4FBuELZnXp12TXjj4Y19Hvb57 used here
btcmaze: BTC Address 15mrEs9vmsgGfB1G8PxcVCZS7mwuMBqHam used here
btcupdown.com: BTC Address 13cb4Kr96TXiw59FNAN8vvkK63R38KVGCi used here
spgjack: BTC Address 1nJRJqQUCppsLkyyoHtDwx2LJiF34WfHb used here

The first 3 addresses are linked together in this transaction
https://blockchain.info/tx/31e6d850719f3c05f1dc4985cfba36ee92bc5c6e1d6aebf15205d70287ccd189

Fourth address is linked in https://blockchain.info/tx/c7d2265189ef186eafffb3b3926fa046f1ce3af671e89f7be5939af003c851e2
Fifth address is linked in https://blockchain.info/tx/f6bf6e65ef7dd13c89a191a0ce3461fb2de9df1c1cdf0aaacdf7501a1224308c