- Stage Name: Mariz Iyog
- Birth Name: Mariz Mapesos Iyog
- Nickname: Mari
- Birthdate: October 14, 2002
- Birthplace: Pasig, Metro Manila, Philippines
- Blood Type: O
- Height: 155cm
- Specialties: Finishing a Rubik's cube within 42 seconds, playing guitar
- Bands / Groups:
MNL48 Song Participation
|Aitakatta||Skirt, Hirari||Team L|
|Koisuru Fortune Cookie||Koisuru Fortune Cookie|
|365 Nichi no Kamihikouki||365 Nichi no Kamihikouki|
|Igai ni Mango||Team L|
|Kimi wa Melody||Gingham Check||Undergirls|
- Originally a 1st generation member of MNL48 Kenkyuusei on April 28, 2018, she was promoted to Team L upon its formation on May 2, 2018.
- Her favorite color is purple.
- She describes herself as humble, caring, and cute.