User blog comment:Commander Marko/List of Viable Junglers/@comment-4022742-20140115230852/@comment-4290320-20140118125109

Some champions are not really meant to jungle (seen Anivia or Lux?). Unless they get a good leash they have to back real soon due to sustain issues and perhaps mobility issues. Sure, I'll add some picks that seem rather weird, yet effective, but not everyone is meant to jungle.