Can I be Frank with you? Or should I use my real name? Confusion halts progress...
Use consistent names on your LinkedIn profile, your resume, and your email signatures. Candidates who go by multiple names leave a trail of administrative challenges for recruiters and hiring companies. This distracts everyone from the primary task of matching the right candidate with the right position. It can cause recruiters to accidentally overlook a candidate.
In a world where recruiters usually only have 5-10 seconds to make an initial qualification assessment, the recurring 5-10 minute administration task of cross referencing and fixing contact entries for a candidate who goes by multiple names is an eternity.