Johannes' childhood in Skåne was marked by his mother's engagement at the Malmö City Theater, which presented a unique set of challenges for a young boy with a Stockholm accent. Rather than allowing himself to be bullied, Johannes developed a sense of humor and used his wit to deflect any potential teasing. As he entered his teenage years, Johannes had a strong desire to pursue a career in acting, and at the age of 18, he applied to acting school. Although his initial application was rejected, he persevered and reapplied later in life, ultimately securing a spot and going on to work in both Malmö and Stockholm.
Johannes' early career in the entertainment industry was marked by his involvement in stand-up comedy, which he began in 1991. Throughout the 1990s, he appeared in several comedy plays at theaters in Stockholm, honing his craft and building a reputation as a talented comedic actor. However, it was his iconic role as the Joker in the long-running TV show "Rederiet" that truly cemented his status as a household name.