Something

/n1 {
  /nick Psy`Away
  if ($1 != $null) { .timer 1 1 amsg 07I14 07A14m 07A14way. 7R14eason: 7 $+ $caps($1-)  }
}
/n2 {
  /nick Psy`Busy
  if ($1 != $null) { .timer 1 1 amsg 07I14 07A14m 07B14usy. 07R14eason: 7 $+ $caps($1-)  }
}
/n3 {
  /nick Psy`Brb
  if ($1 != $null) { .timer 1 1 amsg 07I14'll 07B14rb. 07R14eason: 7 $+ $caps($1-)  }
}

alias:
Alias caps { Return $Upper($Left($1,1)) $+ $Lower($Right($1,-1)) }