- Name: Senga Kento (千賀健永)
- Nicknames: Sen-chan, Gasucho, Gacchan
- Birth Date: March 23, 1991
- Birth Place: Nagoya, Aichi Prefecture, Japan
- Blood Type: AB
- Height: 172cm
- Weight: 62kg
- Hobbies: Listening to music, karaoke
- Strong Point: Honest and friendly
- Weak Point: Very silly person
- Special Ability: Dancing
- Favourite Sport: Dodge Ball
- Favourite Food: Green pepper with shreaded meat
- Favourite item of Clothing: Caps/Hats
- Treasures the most: His aims/goals in life
- Entered Johnnys: May 2003
-  Higashino Keigo Mysteries (Ep. 7)
-  Shinryo-Chuu in the Room
-  Heisei Busaiku Salaryman as Senga Kento
-  Bilocation as Mitarai Takumi
- Wants to be a skilled guitar player
- He is "clueless" and a "risk-taker"
- Claims he has low self-esteem and is a negative person.
- Afraid of heights, but goes on rides to please others, specifically Nikaido Takashi.
- Plays airsoft with Tamamori Yuta and Miyata Toshiya.
- Creates his own dance moves
- His idea of "sexy" is saying, "hmm"
- Talks during his sleep
- His personality is compared to Ayukawa Taiyo of Ya-Ya-yah, i.e. being clueness.
- Believes he looks like an "idiot" when other members of his band pokes fun of his speech.
- Fujigaya Taisuke believes he is a "natural idiot."
- He had taken up dance lessons since pre-school and had competed on national championships before joining JE. He’s also tagged as the best dancer in Kisumai.
- He claims that he is really scared of bugs and mosquitoes but he feels sorry if he’s going to squish them.
- He is the 'S' in Kis-My-Ft2.
- He was a member of the temporary group "Butoukan".
- He has the worst luck out of all the members.