Who's the ugly-ass little fat guy(sitting front left)?
 

Yeah, it's the new vice-chairman of the WPK Central Military Commission,

General Kim Jong-eun! (source: Rodong Shinmun, 9.29)

Related "news report":

☞ Kim Jong Il Takes Photo with Participants in WPK Conference (KCNA, 9.30)
 

And here(between the two KPA fools in the front line) we've him again:

...during the WPK Delegates Conference (source: KCTV, 9.28)