The account name that appears when you topping up your GoPay balance through the Bank is the name listed on your identity that was used when upgrading GoPay Plus.
If the account name appears as someone else's when topping up, it could be because the phone number you are using is a recycled number, where the previous owner upgraded GoPay Plus with an 'Approved' status.
For further assistance, kindly refer to this article*. We will gladly help you.
*)Link is only accessible when you open this page on your phone/tablet.