on *:TEXT:!msg*:#TPC-BC:{ 
   if ( $nick == HotBot || $nick == maker || $nick == makeroftheusless || $nick == Crusty || $nick == Lhiea ||    
   $nick == Archangelat )  {
     if ($notify($2).ison) {
     !!TRUE STATEMENT!!
     }
     else { /msg $nick $2 is not online }
   else { /notice $nick You do not have permission to use this command }
}

OR

 on *:TEXT:!msg*:#TPC-BC:{ 
   if ( $nick == HotBot || $nick == maker || $nick == makeroftheusless || $nick == Crusty || $nick == Lhiea ||    
   $nick == Archangelat )  {
     if ($2).ison) {
     !!TRUE STATEMENT!!
     }
     else { /msg $nick $2 is not online }
   else { /notice $nick You do not have permission to use this command }
}