So, what makes Tamil Olu Kathai "best"? For one, it's the skill and craftsmanship that goes into creating the intricate bone figurines. The best Olu Kathai artists are those who can meticulously craft each bone to perfection, imbuing them with character and personality. Another key aspect is the storytelling itself – the best Olu Kathai performances are those that can transport the audience to another world, immersing them in the narrative and evoking emotions.