It's the same. Es lo mismo.
In spanish it's not necessary to repeat the subject when it's a personal pronoun (yo, tu, él, ella, nosotros, vosotros, ellos, ellas).
You can say:
Yo soy Toby = Yo me llamo Toby. = I'm Toby
Soy Toby = Me llamo Toby. = I'm Toby or My name is Toby.