Shane McMahon , however , appeared on Nitro and announced that he had signed the contract and purchased WCW out from under his father 's nose , planting the seed for what was considered a lucrative future storyline opportunity . Shane McMahon , however , appeared on Nitro and announced in kayfabe that he had signed the contract and purchased WCW out from under his father 's nose , planting the seed for what was considered a lucrative future storyline opportunity .