Wow, seems like everybody like Nishikori. I have nothing against him but at one time every robot from the Bollettieri factory was hated more than the last one. Kind of interested in why he's so popular here
A few reasons:
Attacking. MTF does not take kindly to defensive players.
The game to beat 'big' players. Bagelling 2011 Djokovic was nice.
Doesn't seem to choke too much. He won his first title as an 18 year old back in 2008, beating world number 12 Blake in the final. If he was born 3 days later people would've taken even more notice as he would've been 90s generation.
MTF has pretty good sympathy towards injury, which has plagued Nishikori's career.
He's from a country that hasn't had top stars (in men's) before.
He's a nice guy!