New permanent characters. No.
There were some episode specific characters, the Mall security guards in the Game of Thrones parody for example, that will most likely not return.
Yes , South Park will have a 19th season .
it already did
Yes, South Park was renewed back in 2007 for seasons up until the end of 2011. Season 15 would be the last season on that deal.
we arnt sure because season 13 isent out yet
Yes. it will air March 14, 2012
Type your answer here... nope
The newest South Park episode will come out as the season premiere of season 17 on September 25, 2013
Nope, but there will be a season 17 and they are going to continue until they reach Season 20 in 2017.
Season 13 is now on SouthParkStudios.com
"Characters in south park" is not a question nor is it a complete sentence, therefore it cannot be answered.
Yes, season 13 will air on 11th March 2009.
They live in the fictional town South Park in Colorado.