A popular fan-made theory claims that Baizhu and Pantalone could actually be the same person and his main job is to gather as much information as possible from Liyue.

Source: https://gamerant.com/genshin-impact-concept-pantalone-archon/

Arlecchino may have the ability to control HP, while Charlotte is expected to be a Cryo healer similar to Baizhu.

Source: https://gamerant.com/genshin-impact-leak-arlecchino-cloud-retainer-charlotte-details/

As such, players may want to look into characters such as Baizhu, Mika, or Kirara, who have been released relatively recently to make their teams stronger.

Source: https://gamerant.com/genshin-impact-best-support-characters/

At the time of Pantalone's official reveal, many players noticed that his design shares many similarities with a popular character named Baizhu.

Source: https://gamerant.com/genshin-impact-concept-pantalone-archon/

Baizhu needs to be up close and personal with an enemy to deal damage.

Source: https://www.cbr.com/genshin-impact-baizhu-trivia-fun-facts/

Even though Dehya was released just a couple of days ago, the game's official social media accounts already announced two new roster additions for 3.6, the owner of the Bubu Pharmacy known as Baizhu, and the famous Sumeru architect, Kaveh.

Source: https://gamerant.com/genshin-impact-most-popular-five-star-characters-demo-views/

Qiqi is introduced as a zombie girl resurrected by an Adeptus, working at Bubu Pharmacy under the care of Baizhu.

Source: https://gamerant.com/genshin-impact-leaks-cut-content-qiqi-story-quest/

Story-wise, there is not a lot of information about Baizhu other than that he's the proud owner of the Bubu Pharmacy located in Liyue Harbor.

Source: https://gamerant.com/genshin-impact-leak-five-star-weapon-jadefalls-splendor/

This allows Baizhu to focus on his strength - his medical expertise.

Source: https://gamerant.com/genshin-impact-things-about-baizhu-trivia-secret-lore-interesting-fact/

When it comes to his power on the field, Baizhu is one of the best supports in thanks to his Elemental Burst, Holistic Revivification, which allows him to constantly create a powerful shield.

Source: https://gamerant.com/genshin-impact-story-baizhu-snake-changsheng/