Thursday Morning Riddle

You cannot cross my bridge ‘till I say it’s all right;
I post comments online with intent to incite;
To trail lines from a boat and then hope for a bite;
And a popular doll with my hair half my height!

Who am I?

UPDATE: Riddle solved by Asher. See comments for answer.

2 Responses to “Thursday Morning Riddle”

  1. Asher Says:

    Troll

  2. Bill Says:

    TROLL is correct. Way to go, Asher!

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