Willing to bet those are Skull & Co

Edit: attached the wrong link

Skin: TUDIA Hard Shell Protective Case Cover Compatible with Backbone One Gaming Controller, Anti-Scratch Extra Grip Snap On Hard Cover [CASE ONLY] (Blue) https://www.amazon.com/dp/B09GZ5SC1R/ref=cm_sw_r_cp_api_glt_fabc_RYAZ96MA001XMYMSHHQ0?_encoding=UTF8&psc=1

Joycon covers (Mario Red): Skull & Co. Skin, CQC and FPS Thumb Grip Set Joystick Cap Analog Stick Cap for Nintendo Switch Joy-Con Controller - Mario Red, 3 Pairs(6pcs) https://www.amazon.com/dp/B07CVW51VQ/ref=cm_sw_r_cp_api_glt_fabc_MD11FDY808M0TJR1YFX8?_encoding=UTF8&psc=1