I called him
Lo llamé para confirmar que vendría.
I called him to confirm that he would come.
I called him.
Es un avión grande, entonces lo llamé 'el Hércules '.
It's a big plane, so I called it 'the Hercules'.
Si me lo preguntan ahora, no sabría decir por qué lo llamé a él.
If you ask me now, I wouldn't know why I called him.
— El club de la lucha (1999)
Ya había salido cuando lo llamé por teléfono.
He had already left when I called him on the phone.