If you have logged in and found your account not as you remember, it will be because you have logged in to a different account.
Your WOODOOPAPPI account is not a member. If you have bought membership, check your email for the confirmation from Jagex. That email will be addressed to the current display name of the account you bought membership for.
Jagex CANNOT delete skills from an Old School account.
Were you logging in through a computer or laptop before? Are you logging in through a mobile phone now? If you are using a mobile you would have had to download the client through an app. If you downloaded an app and started playing, it would not have been the same login as you were using before.