Because you like Master Chief (John-117) in Halo
Topanga Lawrence has been a put-together intellectual since basically the moment she could talk. See them in Boy Meets World.
Titus Andromedon will show you the ropes, help you with your problems, and sing at you constantly, whether you like it or not. See them in Unbreakable Kimmy Schmidt.
Nomi Marks is a brilliant hacker with an open-minded, accepting spirit. See them in Sense8.
Burton Guster is a level-headed investigator with a "Super Sniffer" nose. See them in Psych.
For Jack Pearson, the best thing about having triplets is giving three times the love. See them in This Is Us.
After Rintarou Okabe develops the Phone Microwave, some of his fantasies start to seem uncomfortably real. See them in Steins;Gate.
Felicity Smoak is a brilliant hacker who nonetheless becomes tongue-tied in front of attractive men. See them in DC Extended Universe.
As Jane Villanueva grapples with a truly unexpected pregnancy, she realizes that her life is "now the stuff of telenovelas." See them in Jane the Virgin.
Andy Bernard is a preppy Cornell grad who's very likely to break into an acapella performance. See them in The Office.
Years of being the less desirable Vargas sibling have given Romano quite an inferiority complex, as well as the temper to match. See them in Axis Powers Hetalia.
Jane Smith is a stone-cold killer, but you would never know it from looking at her. See them in Mr. & Mrs. Smith.