Is it clingy to search and follow someone who has different username name than real name?

Is it weird to search a guy and follow him on social media? We had 3 days ago our first date. I have his phone number but not his social media account. I found him from a mutual follower but his username is not his real name. So if he will ask me how I found him I will tell him that I searched for him because I wanted to find his profile. Is this cringe?

Is it clingy to search and follow someone who has different username name than real name?
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