Tien has always been stronger than Krillin until Krillin had his powers unlocked by Guru, through it'snot clear who's stronger at the android sagas since both of them barley do much after.
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http://i43.photobucket.com/albums/e373/Gaiash/KumaVsZangief.jpg
LOL!!!! I hope that's a joke....names don't get more n00bish than that