In 'Rocky', who is Rocky's opponent in the heavyweight title fight?

Which actor won an Oscar for playing the music teacher in 'Whiplash'? In 'The Social Network', which actor plays Mark Zuckerberg? In 'Top Gun: Maverick' (2022), which actor plays Rooster? In 'Rocky', what is the name of Rocky's girlfriend and later wife? In 'Rocky IV', who is Rocky's Soviet opponent? In 'Rocky', which famous steps does Rocky run up in Philadelphia? In 'The Karate Kid' (1984), who is Daniel's teacher? In 'Star Wars', what is the name of Han Solo's ship?