Conversation so far:
who is sean john?
In 1998, Combs started a clothing line, Sean John.
why did  he want to start a clothing line?
CANNOTANSWER.
did anyone work with him?
CANNOTANSWER.
did he have any influences?
In November 2008, Combs added a men's perfume called "I Am King" to the Sean John brand.
The fragrance, dedicated to Barack Obama.

Question: did his clothing line do well?
Self-contained rewrite: Did Combs clothing line do well?