Question How to customize a thread title?

[NuckingFutsNix]

Computer Dummy here.
I tried to search through amazing tutorials available here, but could not find topics related to customizing thread titles specifically. If such tutorial exists, could you share a link?

 

[NuckingFutsNix]

Just a quick clarification I am asking about technical stuff, like fonts, making text bold, etc

 

[NuckingFutsNix]

Thank you so much for your help!
Yepp, I noticed some titles looking different and was curious how did they come to be
Your answer is super helpful, I really appreciate it!