The initial release of the trailer for Thangamagan evoked comparisons to Dhanush’s earlier film, "Velaiilla Pattadhari" (VIP), due to its mix of everyday life and action sequences. While “Thangamagan” incorporates those elements, they feel like a less impactful version of what was presented previously. The movie explores the common fantasy among young men—the desire to be a supportive son, an appealing boyfriend, a devoted husband, and a protector for their family. There’s a moment where Tamizh (Dhanush, once again playing the relatable guy) and his friends watch "7/G, Rainbow Colony"—a film that successfully captured this fantasy—and the screen displays the words 'A film by Selvaraghavan'. This seems to be Dhanush's way of recognizing the influence of his brother. However, the movie misses the distinctive intensity found in Selvaraghavan’s films and lacks the natural feel of the domestic scenes in "VIP". The characters come across as more like standard representations—a diligent father, a caring mother, an attractive girlfriend, a quiet wife, a humorous friend—and consequently, it's harder to connect with them. Furthermore, the overall pleasantness feels less genuine and more deliberate. Despite this, the film isn’t entirely unsuccessful. The main actors seem well-suited for their roles; Ravikumar and Radikaa are particularly good, and even Amy, who performs "Tamizhukkum Amudhendru Paer," manages to do an acceptable job. The scenes in the first half flow smoothly, with a sense of lightness that keeps the audience engaged, even though the situations themselves are familiar. Tamizh’s split from Hema (Amy Jackson), the Anglo-Indian woman he loves, and his subsequent relationship with Yamuna (Samantha), whom he eventually marries, happen quickly, but the film manages to make it believable that the protagonist has moved on. Potentially dramatic moments typical of television serials are handled with commendable restraint. When Tamizh's father (Ravikumar) passes away, the camera subtly retreats from the room as if respecting the family’s sorrow, and the movie extends this courtesy to the viewers before intermission. Nevertheless, the film suffers from a lack of substantial conflict—the mystery surrounding the missing money that causes Tamizh’s problems is easily figured out—and as a result, it feels longer than its slightly over two-hour runtime. Having used up the feel-good moments in the first half, the second half falters, featuring ineffective antagonists (a problem also seen in "VIP" and "Maari") and uninspired action sequences. These scenes, intended to be exciting, seem forced and out of place. This hollowness is why the experience leaves one feeling somewhat disappointed.

Source on TMDB