The term 'fursuit', believed to be coined in 1993 by Robert King, can also refer to animal mascot costumes in general, as opposed to human or inanimate object mascots.
Later that fall, word got out that the cheerleaders were calling the latest mascot costume Otto, and the name stuck.
He also holds the Guinness World Record for half-marathon run by a male in a mascot costume.
The mascot costume, worn by an anonymous student, appears at most university sporting, alumni, and fundraising events; he is often portrayed in MSU notices and materials.
The school purchased a mascot costume in 2008, which can now be seen at many athletic events in the district.
In recent years, the old mascot costume was replaced by a newer, more 'pumped-up' Blue Devil costume.
At convocation at the beginning of the 2002-2003 academic year, a new mascot costume was unveiled that was quite different from the previous costume.
Disneyland's mascot costumes and the staging of Spongebob Squarepants or Angelina Ballerina do that already.
While the student inside the mascot costume (whose identity is kept secret) changes every few years, the persona of Willie has remained the same throughout.
The mascot costume was also updated to feature the motion W.