Change your CTCPREPLY's, when a user either PINGS, FINGERS, or TIME'S you, you cannot change VERSION unfortunatly.
Simply add to REMOTE, and your done. You can modify the text ;-)

ctcp *:FINGER {
  /ctcp $nick :o You just fingerd me, naughty $nick $+ ! | haltdef
}
ctcp *:TIME {
  /ctcp $nick Hahaha It's time to buy a watch, $nick $+ ! | haltdef
}
ctcp *:PING {
  /ctcp $nick OMG A curious little creature, that what you are, $nick $+ ! | haltdef
}