Is bitdefender a good antivirus for MacBook Pro

Do not install any third party app that claims to protect, clean, boost performance, etc. Such apps are not needed and they may cause problems.

Here is a good article about such apps: Effective defenses against malware and ot… - Apple Community

Good at what? It’ll be good at causing random problems.

For what it is designed, It won’t be any better than what is already built into macOS.

Any of the below should be removed as per Developers Instructions 

This will include BitDefender , 

This will included Norton Antivirus , Sophos Av Software

Intego AntiVirus, McAfee, MacKeeper, Avast AntiVirus

Ad Guard, Webroot , ESET , Avira 

AVG AntiVirus  

Trustee  

Read some of the posting and arrive at your own conclusions.