Sin Cara has better adjusted to the WWE style, but his character is not something most fans can invest in, and his lack of character bears much of the blame.
WWE signed Mexico's big box-office draw Mistico in January 2011. Mistico was so popular there that CMLL produced a comic book with the masked wrestler as the main character.
The former CMLL star hasn't made the impact stateside that he did in his home country.
Initially, it was Sin Cara's penchant for botching moves that tainted fans' view on him, but even now that he's cleaned up his ring work, he's not nearly as over as WWE surely hoped. Blame a ton of that on the fact that he doesn't speak.
When Sin Cara returned from injury in 2012, the SmackDown crowd barely seemed to notice.
Watching the video of his entrance makes one wonder if the computer is on mute. This tepid, golf-clap response to him has been typical for Sin Cara.
Compare that to the pop Rey Mysterio elicited during his 2012 return, and it's clear how far Sin Cara has to go to fill Mysterio's shoes.
Mysterio and Sin Cara are often compared as they are both former luchadors who wear masks. The most obvious difference is that Mysterio speaks and Sin Cara does not.
Without being able to address the crowd, Sin Cara is severely hampered. His limited English has proved a great hindrance.
Silent characters can only last so long. Kane and Goldberg started out sans talking and eventually became audible.
A pro wrestler without a voice is like an NFL team without a running game. It's a crucial part of the game, even if it's not done all the time.
Mic work, even average mic work, is essential for a wrestler to get over.
When Hunico played Sin Cara, he spoke English. It made him far easier to connect with.
That's a tool the original Sin Cara just doesn't have.
What kind of stories is he supposed to be a part of then? How exactly does one construct a feud where only one person involved does the speaking?
Sin Cara’s silence makes it difficult to create a persona, to express his personality and for fans to connect with him.
Who is he exactly?
If he offers no character to cling to, it doesn't matter how skilled he is with bouncing and flying around the ring. It feels like he's not much more than a living action figure.
Maffew of Botchamania fame summed up on Twitter just how much better a speedy, masked wrestler with a personality is compared to one without.
WWE removing Sin Cara and replacing him with El Generico is the difference between breaking all your fingers and growing an extra arm.— MaffewOfBotchamania (@Maffewgregg) January 14, 2013
El Generico is not as quick as Sin Cara, but should be able to deliver many of the same moves but also back himself with the power of self-expression.
As great as Sin Cara's matches have been, without any stories behind them, without a personal narrative, they all feel like exhibitions. If fans just wanted to see acts of physical process with no story, they'd watch Chinese acrobats instead of WWE Raw.
WWE fans demand dynamic characters, motivations driving actions and shifts in personality. Sin Cara, as of now, isn't providing any of that.
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