Jose Mourinho, 

Jose Mourinho was nicknamed "The special one" After he publicly quoted "Please dont call me arrogant, but i am European Champion and i think im a special one." The special one served two spells at Chelsea during 2004-2007 and 2013-2015 in that time he won;

3x Premier leagues 

1x Fa cup

3x league cups (Carabao cup)

1x Community shield 

He also delivered Chelsea's first league title in 50 years in 2004-05 and made them a European force. 

https://youtu.be/hkZFko2Vsa8

Thomas Tuchel, 

Thomas Tuchel was only manager for a short period of time from 2021-2022, However during this short period of time he managed to win multiple major trophies such as; 

1x Champions league 

1x Uefa super cup 

1x Fifa club world cup 

he took over mid-season and led Chelsea to their second Champions league title in 2021 he built a solid, tactically sharp  and brought Chelsea global success in just over a year. 

A memorable quote from Thomas Tuchel is "I want to build a team that nobody wants to play against."

https://youtube.com/clip/UgkxVE6r22hvo40cgk364ycZKG5NWslRIZfX?si=4e3525sGzwNXgOk6

Carlo Ancelotti 

Ancelotti Managed Chelsea from 2009- 2011, bringing style, success and silverware. In hist first season, he led the club to a historic premier league and Fa cup double- The first in Chelsea's history. That 2009-10 season saw Chelsea score a then record breaking 103 league goals. 

he won major trophies like;

1x premier league 

1x Fa cup

1x community shield