Disambiguation: Sigrid Nansen
First published in: 1977
Sigrid Nansen first appeared as Icemaiden in Super Friends (DC, 1976 series) #9 (December 1977). She first appeared as Glacier in 'Tis the Season to Be Freezin' (DC, 2022 series) #1 (February 2022).
Link: https://en.wikipedia.org/wiki/Glacier_(DC_Comics)