|This page is just a fanpage. It is a part of the Red Velvet fanbase and information may not necessarily be considered official or verified by S.M. Entertainment or the Red Velvet members.|
- Wengi (Wen/dy and Seul/gi)
- Weulgi (W/endy and S/eulgi)
- Sendy (Se/ulgi and We/ndy)
- SeulDy (Seul/gi and Wen/dy)
- ISFP's (Adventurers, with Yeri, from 2021)
- Both can speak Korean.
- Both born in February.
- Both born in 1994.
- Both can sing and play the guitar.
- Both were part of S.M. Entertainment's pre-debut group, S.M. Rookies.
- As of 2021, their fathers still can't tell their voices apart.
- Both their MBTI's are ISFP. Yeri joined them in 2021 after she was retested as such. She was INFP (Mediator).
- Wendy is fluent in English, but Seulgi isn't.
- Wendy is also good at Maths, but Seulgi isn't
- Seulgi trained for 7 years whereas Wendy trained for 2 years.
- Seulgi can speak Japanese, but Wendy can not, but both can read Japanese.
- Wendy can do the splits, but Seulgi cannot.
- Both suffered vocal nodule problems, but Seulgi suffered it pre-debut that made her transition into a dancer. Wendy suffered it just before debut, and was still undergoing treatment during Happiness promotions.
- Wendy is more knowledgeable in terms of vocals, production and techniques. Seulgi is more knowledgeable in movement, dancing and choreography.
- They are in the band Red Velvet.
- They both sang the song "I Can Only See You" for the K-drama "Hwarang: The Poet Warrior Youth" .
- In 2014, they were both guests on Mnet EXO 90:2014.
- On Mnet M Countdown, they were special hosts for episode 510 and 511 with Yeri.
- They were on "Fantastic Duo 2" together.
- In 2021, they recorded Best Friends together.
| To view the WenSeul gallery, click here.