on *:TEXT:!setgtahell*:#:{
  if ($nick == Gtahell) {
    set %whatami $2
    set %whatam $3- 
    msg $chan 4Gtahell 2is now: [4 %whatami 2] Reason: [4 %whatam 2] 
  }
}

on *:TEXT:gtahell*:#:{
/msg $chan 4Gtahell 2is [4 %whatami 2] Reason: [4 %whatam 2] }