Monica, Oggy's twin sister and Jack's love interest, is a tetaragonist in the series. In one episode (Don't Rock The Cradle) She seems to have a child (meaning that Oggy is the uncle to it). She visits Oggy's house every now and then. In another episode (Sitcom) they fight each other. She is well known for being very active and likes to take on physical challenges such as sky diving and bungee jumping. She's always seen skating around on her inline skates. Out of all the main characters, she has the least amount of appearances; even fewer than Bob.

Character Data

  • Hair Color: Blonde
  • Fur Color: Blue (Similar to Oggy's but lighter)
  • Eye Color: Deep Periwinkle
  • Nose Color: Red
  • Shoe Color: Pink, Magenta, Neon Green
  • Tummy Color: Pink
  • Birthplace: New Hollandia
  • Homeplace: New Hollandia


She is tomboyish. She had the skates since she was born. She likes playing with Jack and is stronger than Jack. In the episode Sitcom, she was angry with Jack and she destroyed some things in Oggy's house. She also never cries like Olivia or Oggy. In Season 3, she wears a pink skirt and pink Mary Janes.


She looks like Oggy because they are twins but Monica has lighter fur than Oggy. She is born with pink, magenta-purple, and lime-green roller skates on her feet and blonde hair which are tied like pigtails. Her daughter, Selina, does not look like her mother but looks more like Jack.

Episodes She Appeared In

  • She is the rarely seen character as she appeared in only in few Episodes which are as follow:

Season 2

Season 3

Season 4

Season 6

Season 7

Family Members 



  • In "Soldier For A Day" there is a picture of Monica with long legs in the drill instructor's bedroom.
  • She had the rollerskates since she was born.
  • Her phone number is 444-333-222
  • She also appears in the flash game "Oggy's Whack Them All".
  • Her name can be seen on the paper when she gave Jack her number as she leaves.

Differences between all Seasons/Episodes:

  • Some episodes in Season 2, she wears pink rollerskates. Her eyes looks normal and her two pony tails have no bows shown tied to it.
  • In Deep Trouble, she looks different than her most appearances in Season 3. She wears a pink skirt and no rollerskates. Instead, she wears pink shoes and her eyes irregularly shaped, similar to Oggy's eyes sometimes. Also, her nose is irregularly shaped, similar to Oggy's nose.
  • In Oggy Is Getting Married, She seems to be fat because her body is irregularly shaped. and her nose is irregularly shaped, Similar To Olivia's Nose.
    • Oggy's Sister never appear in Season 5.
    • Oggy's Sister appear in Seasons 2-4 and 6-7 .


Artwork by her fans

Episodes she appeared in

Major Appearance

Minor Appearance


Do you like Monica?

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