[Untouched version]
on !*:join:#etc-help:{
  if $nick == Leonard { msg $chan Leo the Lion is here.. *hides* }
  if $nick == Don_Sam { msg $chan ssshhhh!! *silence* }
  if $nick == Shreyas { msg $chan Shreyas - Ice Baby Ice!!  }
  if $nick == San  { msg $chan Welcome Back Lazy Boy :XD }
  if $nick == Findow  { msg $chan Heya (F)reaking W(indow) !!  }
  if $nick == Jaishil { msg $chan <+Mark-Harper> Jaishil: is a ladies man <&Jaishil> im not ladies man <&Jaishil> all ladies are my girls ;) }
  if $nick == FryDaddy { msg $chan FryDaddy says: 4My opinions may have changed $+ $chr(44) but not the fact that I am right. }
  if $nick == Halak { msg $chan Halak says: 4Chocolates..!! $+ $chr(44) I'm lovin' them!! yUm  }
}
[Changed]
on !*:join:#etc-help:{ <---- Here is the opening bracket
  if $nick == Leonard { msg $chan Leo the Lion is here.. *hides* }
  if $nick == Don_Sam { msg $chan ssshhhh!! *silence* }
  if $nick == Shreyas { msg $chan Shreyas - Ice Baby Ice!!  }
  if $nick == San  { msg $chan Welcome Back Lazy Boy :XD }
  if $nick == Findow  { msg $chan Heya (F)reaking W(indow) !!  }
  if $nick == Jaishil { msg $chan <+Mark-Harper> Jaishil: is a ladies man <&Jaishil> im not ladies man <&Jaishil> all ladies are my girls ;) }
  if $nick == FryDaddy { msg $chan FryDaddy says: 4My opinions may have changed $+ $chr(44) but not the fact that I am right. }
  if $nick == Halak { msg $chan Halak says: 4Chocolates..!! $+ $chr(44) I'm lovin' them!! yUm  }
if $nick == Kiddo { msg $chan Hello Kiddo! } <--- Must be before closing bracket, in a new line.
} <---- And here is the closing bracket