The first one looks like a TS2 to TS3 faux hawk conversion http://club-crimsyn.dreamwidth.org/16381.html
The other one is an age conversion of a Store toddler hair. Not sure who did the conversion for (young) adult.
ETA: here is the other hawk: http://sim-uploads.blogspot.com/2011/04/faux-hawk.html
Also, this could possibly be the other hawk, depending on which was actually used on the sim: http://sim-uploads.blogspot.com/2011/05/faux-hawk-no-2-both-sexes.html