Happiness and sadness is a sense of self-expression which can be reflected from face expression. Mostly, this self-expression holds the role of a face expression which is so important in some activity and could be adjusted by base on scale of need. Not only being a certain fashion trends that a make-up faces are made only for showbiz purposes, but there are times in some ways people can create a makeover on his face with psychological factors support that wants to be disclosed or the mood to be covered, commonly use to describe a noun known as the “Mask”.
Mask is a shape which is generally used to cover a face. Mask at the beginning of its development is used to realize the imaginary form of a person and is usually associated with religious and magical atmosphere and of course with highly creativity power and art creations. Trust in the form of nature deities and forms of real ancestors reflection is often poured into the form of a mask for a complementary means of a deity or ancestor worship ceremonies at that time. The form of the arts was diverse; form of human faces up until animal’s forms, as in most of African, the mask takes the form of an animal because it is believed to be used as a means to communicate with the Gods and ancestors. While in the Asian region the mask was used to give more meaning to the definition of the characters in such colossal epics Mahabharata and Ramayana which is originally from India, then spread to several regions in Southeast Asia including Indonesia, especially Java and Bali. Development of form and masks character in Java and Bali is much influenced by Hindu & Buddhist cultures of India and China. Universally, mask is used to display the expression of a character in a ceremony or in theatrical performances. In a historic development function of the mask and its power been shifted to other purposes such as face shield even for amusement. Masks are not only used on the face of a dancer or mask user, but there are times when the mask is also used in other parts such as body or finger. Other function is a mask often used in festivals, carnival, even to be used in the Halloween event. 
Mask called “Topeng” in Indonesia. By the form that commonly used by the mask dancers, Balinese “Topeng Bungkulan” distinguished as a mask form covering the entire face, and “Topeng Sibakan” is a shape of a mask that just cover half part of the face. “Topeng Bungkulan” is usually used in the Balinese theatrical drama using mastermind and sounding with word and song wearing Ancient Balinese language or a language derived from Sanskrit. While “Topeng Sibakan” on the show not wearing mastermind because the wearer can use their own voice.
In Balinese culture, mask usually became the most important part in the mask dance, and having a very close connection with religious ceremonies because it is often staged in the temple or during religious events which is so sacred. Balinese people call the mask as “Tapel”. Dance mask that very associated with religious ceremonies and performed during some religious ceremony is known as “Topeng Pajegan” or “Topeng Wali”. This mask dance is performed by a single dancer and must bring a few roles using different masks in a dance session. Dancing with five or more dancers who wear masks with different characters called “Topeng Panca”. Appearance of several figures from “Topeng Panca” can also be displayed in “Topeng Prembon” Dance. Mask dance performance that perform comedy road stories or folklore of ordinary Balinese people called “Topeng Arja” or “Topeng Bondres”.
Balinese masks are also used to represent the characters with their respective duties and functions, in order to bring a demand in the mask dance. “Topeng Tua” or “Topeng Keras” represent a character of a wise holy man; it is figure “Pangelembar”. Other strata character known as the figure of “Penasar Kelihan” and “Penasar Cenikan”. There is also a figure called “Ratu Dalem” and “Ratu Patih”. There is also a character that figure ordinary people named “Bondres”. But the character which is acted by the mask dancers must also be able to convey the mask character to the audience explicitly or implicitly.
Theatrical masks nevertheless can sometimes be understood only with the help of the voice from a puppeteer. Strong character traits by a mask user will bring the story in amusement role becomes something meaningful to the audience, although sometimes the wearer’s mood is very different from their mask figure played on role. Likewise for humans also, role of character is inherent in each individual and can give a beautiful conclusion that the world is non-different from a mask theater. What role is on performed behind your face mask, is it joy or sorrow?
