Okay, so you're asking about the key characters in 'Luckys'? I just finished reading the Tamil paperback version a couple weeks back, and honestly, the cast is what keeps the whole thing moving.
Lucky himself is obviously the centre of it all. He's this young guy trying to make it in Chennai, but he's not your typical ambitious hero. He's got a sort of restless, almost accidental charm—things just happen to him, and he reacts. His friend Guna is crucial too; he's the pragmatic voice, the one who tries to ground Lucky's wilder impulses, but often gets dragged along anyway.
Then there's Anjali. She's not just a love interest, which I appreciated. She has her own career struggles and provides this sharp, sometimes cynical counterpoint to Lucky's more laid-back approach to life. The dynamics between these three drive most of the personal drama. Oh, and you can't forget Lucky's uncle, this perpetually worried figure who represents the traditional expectations Lucky is gently pushing against. The tension there is quiet but constant.