Tilly
From Muppet Wiki
Rowlf's Mother
Tilly, Rowlf's mother, appeared on The Mike Douglas Show in 1966, during a week of Muppet co-hosting episodes. She appeared in the audience and didn't recognize her son (calling him "the funny looking dog" next to Mike Douglas). She was a redressed Rowlf puppet with a hat, shawl, eyelids and eyelashes.
