Boris is the main protagonist of the Caillou gets grounded videos and sometimes the main antagonist of the videos and the main antagonist of the Life with/without Doris franchise and the main protagonist of the 1redbed Caillou Gets Grounded series as well as the deuteragonist of the Evil Caillou Gets Grounded series by Caillou Fanatic Est 2004.
- Born December 10th, 1975
- Spouse: Doris [formerly only in Life with/without Doris franchise), Miss Martin (Not often in most videos and formerly in Life with/without Doris series) Depends but doesn't happen).
- Children Rosie Caillou Anderson Daillou Apotdoded Son Baillou Aptdoded
- Age: 42
- Rank: 1st Lieutenant
- Job: Soldier in the goanimate army (formerly)
- Likes: Bullying and Grounding Caillou, Caillou (at times), Rosie (most of the time)
- Dislikes: Getting Grounded, Baby Shows (like Barney, Teletubbies, etc.), Evil Caillou
- Helper: Baxter
- Voices: Eric (current voice used in most videos), Paul, Diesel (grounded videos only)/TigerMario2002: (other media and select grounded videos)
- Signature color: Neon Green
- Boris 1992