[[Mahou Shoujo Madoka Magica]] character.

One of the witches seen in episode 10. She appears as a pair of legs trapped inside a birdcage. Her familiars are [[gotz (madoka magica)|Gotz]].

Note: [b][i]Major spoiler warning![/i][/b]

[spoiler]Roberta was speculated to be [[Tomoe Mami]]'s witch form; this has been proven false when [[Candeloro]] was confirmed to be Mami's witch form. Roberta's original identity remains unknown.[/spoiler]
roberta (madoka magica)